Index: head/sys/amd64/include/vmparam.h =================================================================== --- head/sys/amd64/include/vmparam.h (revision 174937) +++ head/sys/amd64/include/vmparam.h (revision 174938) @@ -1,189 +1,203 @@ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * Copyright (c) 1994 John S. Dyson * All rights reserved. * Copyright (c) 2003 Peter Wemm * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)vmparam.h 5.9 (Berkeley) 5/12/91 * $FreeBSD$ */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ 1 /* * Machine dependent constants for AMD64. */ /* * Virtual memory related constants, all in bytes */ #define MAXTSIZ (128UL*1024*1024) /* max text size */ #ifndef DFLDSIZ #define DFLDSIZ (128UL*1024*1024) /* initial data size limit */ #endif #ifndef MAXDSIZ #define MAXDSIZ (32768UL*1024*1024) /* max data size */ #endif #ifndef DFLSSIZ #define DFLSSIZ (8UL*1024*1024) /* initial stack size limit */ #endif #ifndef MAXSSIZ #define MAXSSIZ (512UL*1024*1024) /* max stack size */ #endif #ifndef SGROWSIZ #define SGROWSIZ (128UL*1024) /* amount to grow stack */ #endif /* * The time for a process to be blocked before being very swappable. * This is a number of seconds which the system takes as being a non-trivial * amount of real time. You probably shouldn't change this; * it is used in subtle ways (fractions and multiples of it are, that is, like * half of a ``long time'', almost a long time, etc.) * It is related to human patience and other factors which don't really * change over time. */ #define MAXSLP 20 /* * We provide a machine specific single page allocator through the use * of the direct mapped segment. This uses 2MB pages for reduced * TLB pressure. */ #define UMA_MD_SMALL_ALLOC /* * The physical address space is densely populated. */ #define VM_PHYSSEG_DENSE /* * The number of PHYSSEG entries must be one greater than the number * of phys_avail entries because the phys_avail entry that spans the * largest physical address that is accessible by ISA DMA is split * into two PHYSSEG entries. */ #define VM_PHYSSEG_MAX 31 /* * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool * from which physical pages are allocated and VM_FREEPOOL_DIRECT is * the pool from which physical pages for page tables and small UMA * objects are allocated. */ #define VM_NFREEPOOL 3 #define VM_FREEPOOL_CACHE 2 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 1 /* * Create two free page lists: VM_FREELIST_DEFAULT is for physical * pages that are above the largest physical address that is * accessible by ISA DMA and VM_FREELIST_ISADMA is for physical pages * that are below that address. */ #define VM_NFREELIST 2 #define VM_FREELIST_DEFAULT 0 #define VM_FREELIST_ISADMA 1 /* * An allocation size of 16MB is supported in order to optimize the * use of the direct map by UMA. Specifically, a cache line contains * at most 8 PDEs, collectively mapping 16MB of physical memory. By * reducing the number of distinct 16MB "pages" that are used by UMA, * the physical memory allocator reduces the likelihood of both 2MB * page TLB misses and cache misses caused by 2MB page TLB misses. */ #define VM_NFREEORDER 13 /* + * Enable superpage reservations: 1 level. + */ +#ifndef VM_NRESERVLEVEL +#define VM_NRESERVLEVEL 1 +#endif + +/* + * Level 0 reservations consist of 512 pages. + */ +#ifndef VM_LEVEL_0_ORDER +#define VM_LEVEL_0_ORDER 9 +#endif + +/* * Virtual addresses of things. Derived from the page directory and * page table indexes from pmap.h for precision. * Because of the page that is both a PD and PT, it looks a little * messy at times, but hey, we'll do anything to save a page :-) */ #define VM_MAX_KERNEL_ADDRESS KVADDR(KPML4I, NPDPEPG-1, NKPDE-1, NPTEPG-1) #define VM_MIN_KERNEL_ADDRESS KVADDR(KPML4I, KPDPI, 0, 0) #define DMAP_MIN_ADDRESS KVADDR(DMPML4I, 0, 0, 0) #define DMAP_MAX_ADDRESS KVADDR(DMPML4I+1, 0, 0, 0) #define KERNBASE KVADDR(KPML4I, KPDPI, 0, 0) #define UPT_MAX_ADDRESS KVADDR(PML4PML4I, PML4PML4I, PML4PML4I, PML4PML4I) #define UPT_MIN_ADDRESS KVADDR(PML4PML4I, 0, 0, 0) #define VM_MAXUSER_ADDRESS UVADDR(NUPML4E, 0, 0, 0) #define USRSTACK VM_MAXUSER_ADDRESS #define VM_MAX_ADDRESS UPT_MAX_ADDRESS #define VM_MIN_ADDRESS (0) #define PHYS_TO_DMAP(x) ((x) | DMAP_MIN_ADDRESS) #define DMAP_TO_PHYS(x) ((x) & ~DMAP_MIN_ADDRESS) /* virtual sizes (bytes) for various kernel submaps */ #ifndef VM_KMEM_SIZE #define VM_KMEM_SIZE (12 * 1024 * 1024) #endif /* * How many physical pages per KVA page allocated. * min(max(max(VM_KMEM_SIZE, Physical memory/VM_KMEM_SIZE_SCALE), * VM_KMEM_SIZE_MIN), VM_KMEM_SIZE_MAX) * is the total KVA space allocated for kmem_map. */ #ifndef VM_KMEM_SIZE_SCALE #define VM_KMEM_SIZE_SCALE (3) #endif /* * Ceiling on amount of kmem_map kva space. */ #ifndef VM_KMEM_SIZE_MAX #define VM_KMEM_SIZE_MAX (400 * 1024 * 1024) #endif /* initial pagein size of beginning of executable file */ #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #endif /* _MACHINE_VMPARAM_H_ */ Index: head/sys/arm/include/vmparam.h =================================================================== --- head/sys/arm/include/vmparam.h (revision 174937) +++ head/sys/arm/include/vmparam.h (revision 174938) @@ -1,135 +1,142 @@ /* $NetBSD: vmparam.h,v 1.26 2003/08/07 16:27:47 agc Exp $ */ /*- * Copyright (c) 1988 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ /*#include */ /* * Address space constants */ /* * The line between user space and kernel space * Mappings >= KERNEL_BASE are constant across all processes */ #define KERNBASE 0xc0000000 /* * max number of non-contig chunks of physical RAM you can have */ #define VM_PHYSSEG_MAX 32 /* * The physical address space is densely populated. */ #define VM_PHYSSEG_DENSE /* * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool * from which physical pages are allocated and VM_FREEPOOL_DIRECT is * the pool from which physical pages for small UMA objects are * allocated. */ #define VM_NFREEPOOL 3 #define VM_FREEPOOL_CACHE 2 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 1 /* * we support 2 free lists: * * - DEFAULT for all systems * - ISADMA for the ISA DMA range on Sharks only */ #define VM_NFREELIST 2 #define VM_FREELIST_DEFAULT 0 #define VM_FREELIST_ISADMA 1 /* * The largest allocation size is 1MB. */ #define VM_NFREEORDER 9 +/* + * Disable superpage reservations. + */ +#ifndef VM_NRESERVLEVEL +#define VM_NRESERVLEVEL 0 +#endif + #define UPT_MAX_ADDRESS VADDR(UPTPTDI + 3, 0) #define UPT_MIN_ADDRESS VADDR(UPTPTDI, 0) #define VM_MIN_ADDRESS (0x00001000) #ifdef ARM_USE_SMALL_ALLOC #ifndef ARM_KERN_DIRECTMAP #define ARM_KERN_DIRECTMAP 512 * 1024 * 1024 /* 512 MB */ #endif #define VM_MAXUSER_ADDRESS KERNBASE - ARM_KERN_DIRECTMAP #else /* ARM_USE_SMALL_ALLOC */ #define VM_MAXUSER_ADDRESS KERNBASE #endif /* ARM_USE_SMALL_ALLOC */ #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS #define USRSTACK VM_MAXUSER_ADDRESS /* initial pagein size of beginning of executable file */ #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #ifndef VM_MIN_KERNEL_ADDRESS #define VM_MIN_KERNEL_ADDRESS KERNBASE #endif #define VM_MAX_KERNEL_ADDRESS 0xffffffff /* * Virtual size (bytes) for various kernel submaps. */ #ifndef VM_KMEM_SIZE #define VM_KMEM_SIZE (12*1024*1024) #endif #define MAXTSIZ (16*1024*1024) #define DFLDSIZ (128*1024*1024) #define MAXDSIZ (512*1024*1024) #define DFLSSIZ (2*1024*1024) #define MAXSSIZ (8*1024*1024) #define SGROWSIZ (128*1024) #define MAXSLP 20 #define VM_PROT_READ_IS_EXEC #ifdef ARM_USE_SMALL_ALLOC #define UMA_MD_SMALL_ALLOC #endif /* ARM_USE_SMALL_ALLOC */ #endif /* _MACHINE_VMPARAM_H_ */ Index: head/sys/conf/options =================================================================== --- head/sys/conf/options (revision 174937) +++ head/sys/conf/options (revision 174938) @@ -1,756 +1,758 @@ # $FreeBSD$ # # On the handling of kernel options # # All kernel options should be listed in NOTES, with suitable # descriptions. Negative options (options that make some code not # compile) should be commented out; LINT (generated from NOTES) should # compile as much code as possible. Try to structure option-using # code so that a single option only switch code on, or only switch # code off, to make it possible to have a full compile-test. If # necessary, you can check for COMPILING_LINT to get maximum code # coverage. # # All new options shall also be listed in either "conf/options" or # "conf/options.". Options that affect a single source-file # .[c|s] should be directed into "opt_.h", while options # that affect multiple files should either go in "opt_global.h" if # this is a kernel-wide option (used just about everywhere), or in # "opt_.h" if it affects only some files. # Note that the effect of listing only an option without a # header-file-name in conf/options (and cousins) is that the last # convention is followed. # # This handling scheme is not yet fully implemented. # # # Format of this file: # Option name filename # # If filename is missing, the default is # opt_.h AAC_DEBUG opt_aac.h AHC_ALLOW_MEMIO opt_aic7xxx.h AHC_TMODE_ENABLE opt_aic7xxx.h AHC_DUMP_EEPROM opt_aic7xxx.h AHC_DEBUG opt_aic7xxx.h AHC_DEBUG_OPTS opt_aic7xxx.h AHC_REG_PRETTY_PRINT opt_aic7xxx.h AHD_DEBUG opt_aic79xx.h AHD_DEBUG_OPTS opt_aic79xx.h AHD_TMODE_ENABLE opt_aic79xx.h AHD_REG_PRETTY_PRINT opt_aic79xx.h ADW_ALLOW_MEMIO opt_adw.h TWA_DEBUG opt_twa.h TWA_FLASH_FIRMWARE opt_twa.h # Debugging options. DDB DDB_NUMSYM opt_ddb.h GDB KDB opt_global.h KDB_TRACE opt_kdb.h KDB_UNATTENDED opt_kdb.h SYSCTL_DEBUG opt_sysctl.h NO_SYSCTL_DESCR opt_global.h # Miscellaneous options. ADAPTIVE_SX ALQ AUDIT opt_global.h CODA_COMPAT_5 opt_coda.h COMPAT_43 opt_compat.h COMPAT_43TTY opt_compat.h COMPAT_FREEBSD4 opt_compat.h COMPAT_FREEBSD5 opt_compat.h COMPAT_FREEBSD6 opt_compat.h COMPILING_LINT opt_global.h CY_PCI_FASTINTR DIRECTIO FULL_PREEMPTION opt_sched.h IPI_PREEMPTION opt_sched.h GEOM_AES opt_geom.h GEOM_BDE opt_geom.h GEOM_BSD opt_geom.h GEOM_CACHE opt_geom.h GEOM_CONCAT opt_geom.h GEOM_ELI opt_geom.h GEOM_FOX opt_geom.h GEOM_GATE opt_geom.h GEOM_JOURNAL opt_geom.h GEOM_LABEL opt_geom.h GEOM_MBR opt_geom.h GEOM_MIRROR opt_geom.h GEOM_MULTIPATH opt_geom.h GEOM_NOP opt_geom.h GEOM_PART_APM opt_geom.h GEOM_PART_BSD opt_geom.h GEOM_PART_GPT opt_geom.h GEOM_PART_MBR opt_geom.h GEOM_PC98 opt_geom.h GEOM_RAID3 opt_geom.h GEOM_SHSEC opt_geom.h GEOM_STRIPE opt_geom.h GEOM_SUNLABEL opt_geom.h GEOM_UZIP opt_geom.h GEOM_VIRSTOR opt_geom.h GEOM_VOL opt_geom.h GEOM_ZERO opt_geom.h KSE opt_global.h KSTACK_MAX_PAGES KSTACK_PAGES KTRACE KTRACE_REQUEST_POOL opt_ktrace.h LIBICONV MAC MAC_ALWAYS_LABEL_MBUF opt_mac.h MAC_BIBA opt_dontuse.h MAC_BSDEXTENDED opt_dontuse.h MAC_IFOFF opt_dontuse.h MAC_LOMAC opt_dontuse.h MAC_MLS opt_dontuse.h MAC_NONE opt_dontuse.h MAC_PARTITION opt_dontuse.h MAC_PORTACL opt_dontuse.h MAC_SEEOTHERUIDS opt_dontuse.h MAC_STATIC opt_mac.h MAC_STUB opt_dontuse.h MAC_TEST opt_dontuse.h MD_ROOT opt_md.h MD_ROOT_SIZE opt_md.h MFI_DEBUG opt_mfi.h MFI_DECODE_LOG opt_mfi.h MPROF_BUFFERS opt_mprof.h MPROF_HASH_SIZE opt_mprof.h NO_ADAPTIVE_MUTEXES opt_adaptive_mutexes.h NO_ADAPTIVE_RWLOCKS NSWBUF_MIN opt_swap.h MBUF_PACKET_ZONE_DISABLE opt_global.h PANIC_REBOOT_WAIT_TIME opt_panic.h PPC_DEBUG opt_ppc.h PPC_PROBE_CHIPSET opt_ppc.h PPS_SYNC opt_ntp.h PREEMPTION opt_sched.h QUOTA SCHED_4BSD opt_sched.h SCHED_ULE opt_sched.h SHOW_BUSYBUFS SLEEPQUEUE_PROFILING SLHCI_DEBUG opt_slhci.h SPX_HACK STACK opt_stack.h SUIDDIR MSGMNB opt_sysvipc.h MSGMNI opt_sysvipc.h MSGSEG opt_sysvipc.h MSGSSZ opt_sysvipc.h MSGTQL opt_sysvipc.h SEMMAP opt_sysvipc.h SEMMNI opt_sysvipc.h SEMMNS opt_sysvipc.h SEMMNU opt_sysvipc.h SEMMSL opt_sysvipc.h SEMOPM opt_sysvipc.h SEMUME opt_sysvipc.h SHMALL opt_sysvipc.h SHMMAX opt_sysvipc.h SHMMAXPGS opt_sysvipc.h SHMMIN opt_sysvipc.h SHMMNI opt_sysvipc.h SHMSEG opt_sysvipc.h SYSVMSG opt_sysvipc.h SYSVSEM opt_sysvipc.h SYSVSHM opt_sysvipc.h SW_WATCHDOG opt_watchdog.h TURNSTILE_PROFILING TTYHOG opt_tty.h VFS_AIO VERBOSE_SYSINIT opt_global.h WLCACHE opt_wavelan.h WLDEBUG opt_wavelan.h # POSIX kernel options P1003_1B_MQUEUE opt_posix.h P1003_1B_SEMAPHORES opt_posix.h _KPOSIX_PRIORITY_SCHEDULING opt_posix.h # Do we want the config file compiled into the kernel? INCLUDE_CONFIG_FILE opt_config.h # Options for static filesystems. These should only be used at config # time, since the corresponding lkms cannot work if there are any static # dependencies. Unusability is enforced by hiding the defines for the # options in a never-included header. CD9660 opt_dontuse.h CODA opt_dontuse.h EXT2FS opt_dontuse.h FDESCFS opt_dontuse.h HPFS opt_dontuse.h MSDOSFS opt_dontuse.h NTFS opt_dontuse.h NULLFS opt_dontuse.h NWFS opt_dontuse.h PORTALFS opt_dontuse.h PROCFS opt_dontuse.h PSEUDOFS opt_dontuse.h REISERFS opt_dontuse.h SMBFS opt_dontuse.h TMPFS opt_dontuse.h UDF opt_dontuse.h UNIONFS opt_dontuse.h # Pseudofs debugging PSEUDOFS_TRACE opt_pseudofs.h # Broken - ffs_snapshot() dependency from ufs_lookup() :-( FFS opt_ffs_broken_fixme.h # These static filesystems have one slightly bogus static dependency in # sys/i386/i386/autoconf.c. If any of these filesystems are # statically compiled into the kernel, code for mounting them as root # filesystems will be enabled - but look below. NFSCLIENT opt_nfs.h NFSSERVER opt_nfs.h NFS4CLIENT opt_nfs.h # filesystems and libiconv bridge CD9660_ICONV opt_dontuse.h MSDOSFS_ICONV opt_dontuse.h NTFS_ICONV opt_dontuse.h UDF_ICONV opt_dontuse.h # If you are following the conditions in the copyright, # you can enable soft-updates which will speed up a lot of thigs # and make the system safer from crashes at the same time. # otherwise a STUB module will be compiled in. SOFTUPDATES opt_ffs.h # On small, embedded systems, it can be useful to turn off support for # snapshots. It saves about 30-40k for a feature that would be lightly # used, if it is used at all. NO_FFS_SNAPSHOT opt_ffs.h # Enabling this option turns on support for Access Control Lists in UFS, # which can be used to support high security configurations. Depends on # UFS_EXTATTR. UFS_ACL opt_ufs.h # Enabling this option turns on support for extended attributes in UFS-based # filesystems, which can be used to support high security configurations # as well as new filesystem features. UFS_EXTATTR opt_ufs.h UFS_EXTATTR_AUTOSTART opt_ufs.h # Enable fast hash lookups for large directories on UFS-based filesystems. UFS_DIRHASH opt_ufs.h # Enable gjournal-based UFS journal. UFS_GJOURNAL opt_ufs.h # The below sentence is not in English, and neither is this one. # We plan to remove the static dependences above, with a # _ROOT option to control if it usable as root. This list # allows these options to be present in config files already (though # they won't make any difference yet). NFS_ROOT opt_nfsroot.h # SMB/CIFS requester NETSMB opt_netsmb.h # Options used only in subr_param.c. HZ opt_param.h MAXFILES opt_param.h NBUF opt_param.h NSFBUFS opt_param.h VM_BCACHE_SIZE_MAX opt_param.h VM_SWZONE_SIZE_MAX opt_param.h MAXUSERS DFLDSIZ opt_param.h MAXDSIZ opt_param.h MAXSSIZ opt_param.h # Generic SCSI options. CAM_MAX_HIGHPOWER opt_cam.h CAMDEBUG opt_cam.h CAM_DEBUG_DELAY opt_cam.h CAM_DEBUG_BUS opt_cam.h CAM_DEBUG_TARGET opt_cam.h CAM_DEBUG_LUN opt_cam.h CAM_DEBUG_FLAGS opt_cam.h SCSI_DELAY opt_scsi.h SCSI_NO_SENSE_STRINGS opt_scsi.h SCSI_NO_OP_STRINGS opt_scsi.h # Options used only in cam/scsi/scsi_cd.c CHANGER_MIN_BUSY_SECONDS opt_cd.h CHANGER_MAX_BUSY_SECONDS opt_cd.h # Options used only in cam/scsi/scsi_sa.c. SA_IO_TIMEOUT opt_sa.h SA_SPACE_TIMEOUT opt_sa.h SA_REWIND_TIMEOUT opt_sa.h SA_ERASE_TIMEOUT opt_sa.h SA_1FM_AT_EOD opt_sa.h # Options used only in cam/scsi/scsi_pt.c SCSI_PT_DEFAULT_TIMEOUT opt_pt.h # Options used only in cam/scsi/scsi_ses.c SES_ENABLE_PASSTHROUGH opt_ses.h # Options used in dev/sym/ (Symbios SCSI driver). SYM_SETUP_LP_PROBE_MAP opt_sym.h #-Low Priority Probe Map (bits) # Allows the ncr to take precedence # 1 (1<<0) -> 810a, 860 # 2 (1<<1) -> 825a, 875, 885, 895 # 4 (1<<2) -> 895a, 896, 1510d SYM_SETUP_SCSI_DIFF opt_sym.h #-HVD support for 825a, 875, 885 # disabled:0 (default), enabled:1 SYM_SETUP_PCI_PARITY opt_sym.h #-PCI parity checking # disabled:0, enabled:1 (default) SYM_SETUP_MAX_LUN opt_sym.h #-Number of LUNs supported # default:8, range:[1..64] # Options used only in pci/ncr.c SCSI_NCR_DEBUG opt_ncr.h SCSI_NCR_MAX_SYNC opt_ncr.h SCSI_NCR_MAX_WIDE opt_ncr.h SCSI_NCR_MYADDR opt_ncr.h # Options used only in dev/isp/* ISP_TARGET_MODE opt_isp.h ISP_FW_CRASH_DUMP opt_isp.h ISP_DEFAULT_ROLES opt_isp.h # Options used only in dev/iscsi ISCSI_INITIATOR_DEBUG opt_iscsi_initiator.h # Options used in the 'ata' ATA/ATAPI driver ATA_STATIC_ID opt_ata.h ATA_NOPCI opt_ata.h # Net stuff. ACCEPT_FILTER_DATA ACCEPT_FILTER_HTTP ALTQ opt_global.h ALTQ_CBQ opt_altq.h ALTQ_RED opt_altq.h ALTQ_RIO opt_altq.h ALTQ_HFSC opt_altq.h ALTQ_CDNR opt_altq.h ALTQ_PRIQ opt_altq.h ALTQ_NOPCC opt_altq.h ALTQ_DEBUG opt_altq.h BOOTP opt_bootp.h BOOTP_COMPAT opt_bootp.h BOOTP_NFSROOT opt_bootp.h BOOTP_NFSV3 opt_bootp.h BOOTP_WIRED_TO opt_bootp.h DEVICE_POLLING DEV_ENC opt_enc.h DEV_PF opt_pf.h DEV_PFLOG opt_pf.h DEV_PFSYNC opt_pf.h ETHER_II opt_ef.h ETHER_8023 opt_ef.h ETHER_8022 opt_ef.h ETHER_SNAP opt_ef.h MROUTING opt_mrouting.h INET opt_inet.h INET6 opt_inet6.h IPSEC opt_ipsec.h IPSEC_DEBUG opt_ipsec.h IPSEC_FILTERTUNNEL opt_ipsec.h IPDIVERT DUMMYNET opt_ipdn.h IPFILTER opt_ipfilter.h IPFILTER_LOG opt_ipfilter.h IPFILTER_LOOKUP opt_ipfilter.h IPFILTER_DEFAULT_BLOCK opt_ipfilter.h IPFIREWALL opt_ipfw.h IPFIREWALL_VERBOSE opt_ipfw.h IPFIREWALL_VERBOSE_LIMIT opt_ipfw.h IPFIREWALL_DEFAULT_TO_ACCEPT opt_ipfw.h IPFIREWALL_FORWARD opt_ipfw.h IPFIREWALL_NAT opt_ipfw.h IPSTEALTH IPX LIBMBPOOL LIBMCHAIN LIBALIAS MBUF_STRESS_TEST NCP NETATALK opt_atalk.h PPP_BSDCOMP opt_ppp.h PPP_DEFLATE opt_ppp.h PPP_FILTER opt_ppp.h SLIP_IFF_OPTS opt_slip.h TCPDEBUG TCP_SIGNATURE opt_inet.h DEV_VLAN opt_vlan.h VLAN_ARRAY opt_vlan.h XBONEHACK # # SCTP # SCTP opt_sctp.h SCTP_DEBUG opt_sctp.h # Enable debug printfs SCTP_WITH_NO_CSUM opt_sctp.h # Use this at your peril SCTP_LOCK_LOGGING opt_sctp.h # Log to KTR lock activity SCTP_MBUF_LOGGING opt_sctp.h # Log to KTR general mbuf aloc/free SCTP_MBCNT_LOGGING opt_sctp.h # Log to KTR mbcnt activity SCTP_PACKET_LOGGING opt_sctp.h # Log to a packet buffer last N packets SCTP_LTRACE_CHUNKS opt_sctp.h # Log to KTR chunks processed SCTP_LTRACE_ERRORS opt_sctp.h # Log to KTR error returns. # # # # Netgraph(4). Use option NETGRAPH to enable the base netgraph code. # Each netgraph node type can be either be compiled into the kernel # or loaded dynamically. To get the former, include the corresponding # option below. Each type has its own man page, e.g. ng_async(4). NETGRAPH NETGRAPH_DEBUG opt_netgraph.h NETGRAPH_ASYNC opt_netgraph.h NETGRAPH_ATMLLC opt_netgraph.h NETGRAPH_ATM_ATMPIF opt_netgraph.h NETGRAPH_BLUETOOTH opt_netgraph.h NETGRAPH_BLUETOOTH_BT3C opt_netgraph.h NETGRAPH_BLUETOOTH_H4 opt_netgraph.h NETGRAPH_BLUETOOTH_HCI opt_netgraph.h NETGRAPH_BLUETOOTH_L2CAP opt_netgraph.h NETGRAPH_BLUETOOTH_SOCKET opt_netgraph.h NETGRAPH_BLUETOOTH_UBT opt_netgraph.h NETGRAPH_BLUETOOTH_UBTBCMFW opt_netgraph.h NETGRAPH_BPF opt_netgraph.h NETGRAPH_BRIDGE opt_netgraph.h NETGRAPH_CAR opt_netgraph.h NETGRAPH_CISCO opt_netgraph.h NETGRAPH_DEFLATE opt_netgraph.h NETGRAPH_DEVICE opt_netgraph.h NETGRAPH_ECHO opt_netgraph.h NETGRAPH_EIFACE opt_netgraph.h NETGRAPH_ETHER opt_netgraph.h NETGRAPH_FEC opt_netgraph.h NETGRAPH_FRAME_RELAY opt_netgraph.h NETGRAPH_GIF opt_netgraph.h NETGRAPH_GIF_DEMUX opt_netgraph.h NETGRAPH_HOLE opt_netgraph.h NETGRAPH_IFACE opt_netgraph.h NETGRAPH_IP_INPUT opt_netgraph.h NETGRAPH_IPFW opt_netgraph.h NETGRAPH_KSOCKET opt_netgraph.h NETGRAPH_L2TP opt_netgraph.h NETGRAPH_LMI opt_netgraph.h # MPPC compression requires proprietary files (not included) NETGRAPH_MPPC_COMPRESSION opt_netgraph.h NETGRAPH_MPPC_ENCRYPTION opt_netgraph.h NETGRAPH_NAT opt_netgraph.h NETGRAPH_NETFLOW opt_netgraph.h NETGRAPH_ONE2MANY opt_netgraph.h NETGRAPH_PPP opt_netgraph.h NETGRAPH_PPPOE opt_netgraph.h NETGRAPH_PPTPGRE opt_netgraph.h NETGRAPH_PRED1 opt_netgraph.h NETGRAPH_RFC1490 opt_netgraph.h NETGRAPH_SOCKET opt_netgraph.h NETGRAPH_SPLIT opt_netgraph.h NETGRAPH_SPPP opt_netgraph.h NETGRAPH_TAG opt_netgraph.h NETGRAPH_TCPMSS opt_netgraph.h NETGRAPH_TEE opt_netgraph.h NETGRAPH_TTY opt_netgraph.h NETGRAPH_UI opt_netgraph.h NETGRAPH_VJC opt_netgraph.h # NgATM options NGATM_ATM opt_netgraph.h NGATM_ATMBASE opt_netgraph.h NGATM_SSCOP opt_netgraph.h NGATM_SSCFU opt_netgraph.h NGATM_UNI opt_netgraph.h NGATM_CCATM opt_netgraph.h # DRM options DRM_DEBUG opt_drm.h ZERO_COPY_SOCKETS opt_zero.h TI_PRIVATE_JUMBOS opt_ti.h TI_JUMBO_HDRSPLIT opt_ti.h # ATM (HARP version) - disabled as not MPSAFE in 7.0 #ATM_CORE opt_atm.h #ATM_IP opt_atm.h #ATM_SIGPVC opt_atm.h #ATM_SPANS opt_atm.h #ATM_UNI opt_atm.h # XXX Conflict: # of devices vs network protocol (Native ATM). # This makes "atm.h" unusable. NATM # DPT driver debug flags DPT_MEASURE_PERFORMANCE opt_dpt.h DPT_HANDLE_TIMEOUTS opt_dpt.h DPT_TIMEOUT_FACTOR opt_dpt.h DPT_LOST_IRQ opt_dpt.h DPT_RESET_HBA opt_dpt.h # Misc debug flags. Most of these should probably be replaced with # 'DEBUG', and then let people recompile just the interesting modules # with 'make CC="cc -DDEBUG"'. CLUSTERDEBUG opt_debug_cluster.h DEBUG_1284 opt_ppb_1284.h VP0_DEBUG opt_vpo.h LPT_DEBUG opt_lpt.h PLIP_DEBUG opt_plip.h LOCKF_DEBUG opt_debug_lockf.h NETATALKDEBUG opt_atalk.h SI_DEBUG opt_debug_si.h # Fb options FB_DEBUG opt_fb.h FB_INSTALL_CDEV opt_fb.h # ppbus related options PERIPH_1284 opt_ppb_1284.h DONTPROBE_1284 opt_ppb_1284.h # smbus related options ENABLE_ALART opt_intpm.h # These cause changes all over the kernel BLKDEV_IOSIZE opt_global.h MAXPHYS opt_global.h DFLTPHYS opt_global.h BURN_BRIDGES opt_global.h DEBUG opt_global.h DEBUG_LOCKS opt_global.h DEBUG_VFS_LOCKS opt_global.h DIAGNOSTIC opt_global.h INVARIANT_SUPPORT opt_global.h INVARIANTS opt_global.h MCLSHIFT opt_global.h MUTEX_DEBUG opt_global.h MUTEX_NOINLINE opt_global.h LOCK_PROFILING opt_global.h LOCK_PROFILING_FAST opt_global.h MSIZE opt_global.h REGRESSION opt_global.h RESTARTABLE_PANICS opt_global.h RWLOCK_NOINLINE opt_global.h SX_NOINLINE opt_global.h VFS_BIO_DEBUG opt_global.h # These are VM related options VM_KMEM_SIZE opt_vm.h VM_KMEM_SIZE_SCALE opt_vm.h VM_KMEM_SIZE_MAX opt_vm.h +VM_NRESERVLEVEL opt_vm.h +VM_LEVEL_0_ORDER opt_vm.h NO_SWAPPING opt_vm.h MALLOC_MAKE_FAILURES opt_vm.h MALLOC_PROFILE opt_vm.h # The MemGuard replacement allocator used for tamper-after-free detection DEBUG_MEMGUARD opt_vm.h # The RedZone malloc(9) protection DEBUG_REDZONE opt_vm.h # Standard SMP options SMP opt_global.h # Size of the kernel message buffer MSGBUF_SIZE opt_msgbuf.h # NFS options NFS_MINATTRTIMO opt_nfs.h NFS_MAXATTRTIMO opt_nfs.h NFS_MINDIRATTRTIMO opt_nfs.h NFS_MAXDIRATTRTIMO opt_nfs.h NFS_GATHERDELAY opt_nfs.h NFS_WDELAYHASHSIZ opt_nfs.h NFS_DEBUG opt_nfs.h # For the Bt848/Bt848A/Bt849/Bt878/Bt879 driver OVERRIDE_CARD opt_bktr.h OVERRIDE_TUNER opt_bktr.h OVERRIDE_DBX opt_bktr.h OVERRIDE_MSP opt_bktr.h BROOKTREE_SYSTEM_DEFAULT opt_bktr.h BROOKTREE_ALLOC_PAGES opt_bktr.h BKTR_OVERRIDE_CARD opt_bktr.h BKTR_OVERRIDE_TUNER opt_bktr.h BKTR_OVERRIDE_DBX opt_bktr.h BKTR_OVERRIDE_MSP opt_bktr.h BKTR_SYSTEM_DEFAULT opt_bktr.h BKTR_ALLOC_PAGES opt_bktr.h BKTR_USE_PLL opt_bktr.h BKTR_GPIO_ACCESS opt_bktr.h BKTR_NO_MSP_RESET opt_bktr.h BKTR_430_FX_MODE opt_bktr.h BKTR_SIS_VIA_MODE opt_bktr.h BKTR_USE_FREEBSD_SMBUS opt_bktr.h BKTR_NEW_MSP34XX_DRIVER opt_bktr.h BREAK_TO_DEBUGGER opt_comconsole.h ALT_BREAK_TO_DEBUGGER opt_comconsole.h # Options to support PPS UART_PPS_ON_CTS opt_uart.h # options for bus/device framework BUS_DEBUG opt_bus.h # options for USB support USB_DEBUG opt_usb.h USBVERBOSE opt_usb.h UKBD_DFLT_KEYMAP opt_ukbd.h UPLCOM_INTR_INTERVAL opt_uplcom.h UVSCOM_DEFAULT_OPKTSIZE opt_uvscom.h UVSCOM_INTR_INTERVAL opt_uvscom.h # Embedded system options INIT_PATH ROOTDEVNAME FDC_DEBUG opt_fdc.h PCFCLOCK_VERBOSE opt_pcfclock.h PCFCLOCK_MAX_RETRIES opt_pcfclock.h KTR opt_global.h KTR_ALQ opt_ktr.h KTR_MASK opt_ktr.h KTR_CPUMASK opt_ktr.h KTR_COMPILE opt_global.h KTR_ENTRIES opt_global.h KTR_VERBOSE opt_ktr.h WITNESS opt_global.h WITNESS_KDB opt_witness.h WITNESS_SKIPSPIN opt_witness.h # options for ACPI support ACPI_DEBUG opt_acpi.h ACPI_MAX_THREADS opt_acpi.h ACPI_NO_SEMAPHORES opt_acpi.h # ISA support DEV_ISA opt_isa.h ISAPNP opt_isa.h # various 'device presence' options. DEV_BPF opt_bpf.h DEV_MCA opt_mca.h DEV_CARP opt_carp.h DEV_SPLASH opt_splash.h # EISA support DEV_EISA opt_eisa.h EISA_SLOTS opt_eisa.h # ed driver ED_HPP opt_ed.h ED_3C503 opt_ed.h ED_SIC opt_ed.h # bce driver BCE_DEBUG opt_bce.h # wi driver WI_SYMBOL_FIRMWARE opt_wi.h SOCKBUF_DEBUG opt_global.h # options for ubsec driver UBSEC_DEBUG opt_ubsec.h UBSEC_RNDTEST opt_ubsec.h UBSEC_NO_RNG opt_ubsec.h # options for hifn driver HIFN_DEBUG opt_hifn.h HIFN_RNDTEST opt_hifn.h # options for safenet driver SAFE_DEBUG opt_safe.h SAFE_NO_RNG opt_safe.h SAFE_RNDTEST opt_safe.h # syscons options MAXCONS opt_syscons.h SC_ALT_MOUSE_IMAGE opt_syscons.h SC_CUT_SPACES2TABS opt_syscons.h SC_CUT_SEPCHARS opt_syscons.h SC_DEBUG_LEVEL opt_syscons.h SC_DFLT_FONT opt_syscons.h SC_DISABLE_KDBKEY opt_syscons.h SC_DISABLE_REBOOT opt_syscons.h SC_HISTORY_SIZE opt_syscons.h SC_KERNEL_CONS_ATTR opt_syscons.h SC_KERNEL_CONS_REV_ATTR opt_syscons.h SC_MOUSE_CHAR opt_syscons.h SC_NO_CUTPASTE opt_syscons.h SC_NO_FONT_LOADING opt_syscons.h SC_NO_HISTORY opt_syscons.h SC_NO_MODE_CHANGE opt_syscons.h SC_NO_SUSPEND_VTYSWITCH opt_syscons.h SC_NO_SYSMOUSE opt_syscons.h SC_NORM_ATTR opt_syscons.h SC_NORM_REV_ATTR opt_syscons.h SC_PIXEL_MODE opt_syscons.h SC_RENDER_DEBUG opt_syscons.h SC_TWOBUTTON_MOUSE opt_syscons.h # options for printf PRINTF_BUFR_SIZE opt_printf.h # kbd options KBD_DISABLE_KEYMAP_LOAD opt_kbd.h KBD_INSTALL_CDEV opt_kbd.h KBD_MAXRETRY opt_kbd.h KBD_MAXWAIT opt_kbd.h KBD_RESETDELAY opt_kbd.h KBDIO_DEBUG opt_kbd.h # options for the Atheros driver ATH_DEBUG opt_ath.h ATH_TXBUF opt_ath.h ATH_RXBUF opt_ath.h ATH_DIAGAPI opt_ath.h ATH_TX99_DIAG opt_ath.h # dcons options DCONS_BUF_SIZE opt_dcons.h DCONS_POLL_HZ opt_dcons.h DCONS_FORCE_CONSOLE opt_dcons.h DCONS_FORCE_GDB opt_dcons.h # Static unit counts NI4BTRC opt_i4b.h NI4BRBCH opt_i4b.h NI4BTEL opt_i4b.h #XXXBZ#NI4BIPR opt_i4b.h #XXXBZ#NI4BING opt_i4b.h #XXXBZ#NI4BISPPP opt_i4b.h # VFS options LOOKUP_SHARED opt_vfs.h # HWPMC options HWPMC_HOOKS # XBOX options for FreeBSD/i386, but some files are MI XBOX opt_xbox.h # XFS XFS # Interrupt filtering INTR_FILTER opt_global.h #Disable code to dispatch tcp offloading TCP_OFFLOAD_DISABLE opt_inet.h Index: head/sys/i386/include/vmparam.h =================================================================== --- head/sys/i386/include/vmparam.h (revision 174937) +++ head/sys/i386/include/vmparam.h (revision 174938) @@ -1,181 +1,200 @@ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * Copyright (c) 1994 John S. Dyson * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)vmparam.h 5.9 (Berkeley) 5/12/91 * $FreeBSD$ */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ 1 /* * Machine dependent constants for 386. */ #ifndef PAE #define VM_PROT_READ_IS_EXEC /* if you can read -- then you can exec */ #endif /* * Virtual memory related constants, all in bytes */ #define MAXTSIZ (128UL*1024*1024) /* max text size */ #ifndef DFLDSIZ #define DFLDSIZ (128UL*1024*1024) /* initial data size limit */ #endif #ifndef MAXDSIZ #define MAXDSIZ (512UL*1024*1024) /* max data size */ #endif #ifndef DFLSSIZ #define DFLSSIZ (8UL*1024*1024) /* initial stack size limit */ #endif #ifndef MAXSSIZ #define MAXSSIZ (64UL*1024*1024) /* max stack size */ #endif #ifndef SGROWSIZ #define SGROWSIZ (128UL*1024) /* amount to grow stack */ #endif /* * The time for a process to be blocked before being very swappable. * This is a number of seconds which the system takes as being a non-trivial * amount of real time. You probably shouldn't change this; * it is used in subtle ways (fractions and multiples of it are, that is, like * half of a ``long time'', almost a long time, etc.) * It is related to human patience and other factors which don't really * change over time. */ #define MAXSLP 20 /* * The physical address space is densely populated. */ #define VM_PHYSSEG_DENSE /* * The number of PHYSSEG entries must be one greater than the number * of phys_avail entries because the phys_avail entry that spans the * largest physical address that is accessible by ISA DMA is split * into two PHYSSEG entries. */ #define VM_PHYSSEG_MAX 17 /* * Create two free page pools. Since the i386 kernel virtual address * space does not include a mapping onto the machine's entire physical * memory, VM_FREEPOOL_DIRECT is defined as an alias for the default * pool, VM_FREEPOOL_DEFAULT. */ #define VM_NFREEPOOL 2 #define VM_FREEPOOL_CACHE 1 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 0 /* * Create two free page lists: VM_FREELIST_DEFAULT is for physical * pages that are above the largest physical address that is * accessible by ISA DMA and VM_FREELIST_ISADMA is for physical pages * that are below that address. */ #define VM_NFREELIST 2 #define VM_FREELIST_DEFAULT 0 #define VM_FREELIST_ISADMA 1 /* * The largest allocation size is 2MB under PAE and 4MB otherwise. */ #ifdef PAE #define VM_NFREEORDER 10 #else #define VM_NFREEORDER 11 #endif /* + * Disable superpage reservations. + */ +#ifndef VM_NRESERVLEVEL +#define VM_NRESERVLEVEL 0 +#endif + +/* + * Level 0 reservations consist of 512 pages under PAE and 1024 pages + * otherwise. + */ +#ifndef VM_LEVEL_0_ORDER +#ifdef PAE +#define VM_LEVEL_0_ORDER 9 +#else +#define VM_LEVEL_0_ORDER 10 +#endif +#endif + +/* * Kernel physical load address. */ #ifndef KERNLOAD #define KERNLOAD (1 << PDRSHIFT) #endif /* * Virtual addresses of things. Derived from the page directory and * page table indexes from pmap.h for precision. * Because of the page that is both a PD and PT, it looks a little * messy at times, but hey, we'll do anything to save a page :-) */ #define VM_MAX_KERNEL_ADDRESS VADDR(KPTDI+NKPDE-1, NPTEPG-1) #define VM_MIN_KERNEL_ADDRESS VADDR(PTDPTDI, PTDPTDI) #define KERNBASE VADDR(KPTDI, 0) #define UPT_MAX_ADDRESS VADDR(PTDPTDI, PTDPTDI) #define UPT_MIN_ADDRESS VADDR(PTDPTDI, 0) #define VM_MAXUSER_ADDRESS VADDR(PTDPTDI, 0) #define USRSTACK VM_MAXUSER_ADDRESS #define VM_MAX_ADDRESS VADDR(PTDPTDI, PTDPTDI) #define VM_MIN_ADDRESS ((vm_offset_t)0) /* virtual sizes (bytes) for various kernel submaps */ #ifndef VM_KMEM_SIZE #define VM_KMEM_SIZE (12 * 1024 * 1024) #endif /* * How many physical pages per KVA page allocated. * min(max(max(VM_KMEM_SIZE, Physical memory/VM_KMEM_SIZE_SCALE), * VM_KMEM_SIZE_MIN), VM_KMEM_SIZE_MAX) * is the total KVA space allocated for kmem_map. */ #ifndef VM_KMEM_SIZE_SCALE #define VM_KMEM_SIZE_SCALE (3) #endif /* * Ceiling on amount of kmem_map kva space. */ #ifndef VM_KMEM_SIZE_MAX #define VM_KMEM_SIZE_MAX (320 * 1024 * 1024) #endif /* initial pagein size of beginning of executable file */ #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #endif /* _MACHINE_VMPARAM_H_ */ Index: head/sys/ia64/include/vmparam.h =================================================================== --- head/sys/ia64/include/vmparam.h (revision 174937) +++ head/sys/ia64/include/vmparam.h (revision 174938) @@ -1,203 +1,210 @@ /* $FreeBSD$ */ /* From: NetBSD: vmparam.h,v 1.6 1997/09/23 23:23:23 mjacob Exp */ #ifndef _MACHINE_VMPARAM_H #define _MACHINE_VMPARAM_H /*- * Copyright (c) 1988 University of Utah. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department and Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: vmparam.h 1.16 91/01/18$ * * @(#)vmparam.h 8.2 (Berkeley) 4/22/94 */ /* * Machine dependent constants for ia64. */ /* * USRSTACK is the top (end) of the user stack. Immediately above the user * stack resides the syscall gateway page. */ #define USRSTACK VM_MAX_ADDRESS /* * Virtual memory related constants, all in bytes */ #ifndef MAXTSIZ #define MAXTSIZ (1<<30) /* max text size (1G) */ #endif #ifndef DFLDSIZ #define DFLDSIZ (1<<27) /* initial data size (128M) */ #endif #ifndef MAXDSIZ #define MAXDSIZ (1<<30) /* max data size (1G) */ #endif #ifndef DFLSSIZ #define DFLSSIZ (1<<21) /* initial stack size (2M) */ #endif #ifndef MAXSSIZ #define MAXSSIZ (1<<28) /* max stack size (256M) */ #endif #ifndef SGROWSIZ #define SGROWSIZ (128UL*1024) /* amount to grow stack */ #endif /* * Boundary at which to place first MAPMEM segment if not explicitly * specified. Should be a power of two. This allows some slop for * the data segment to grow underneath the first mapped segment. */ #define MMSEG 0x200000 /* * The size of the clock loop. */ #define LOOPPAGES (maxfree - firstfree) /* * The time for a process to be blocked before being very swappable. * This is a number of seconds which the system takes as being a non-trivial * amount of real time. You probably shouldn't change this; * it is used in subtle ways (fractions and multiples of it are, that is, like * half of a ``long time'', almost a long time, etc.) * It is related to human patience and other factors which don't really * change over time. */ #define MAXSLP 20 /* * A swapped in process is given a small amount of core without being bothered * by the page replacement algorithm. Basically this says that if you are * swapped in you deserve some resources. We protect the last SAFERSS * pages against paging and will just swap you out rather than paging you. * Note that each process has at least UPAGES pages which are not * paged anyways, in addition to SAFERSS. */ #define SAFERSS 10 /* nominal ``small'' resident set size protected against replacement */ /* * We need region 7 virtual addresses for pagetables. */ #define UMA_MD_SMALL_ALLOC /* * The physical address space is sparsely populated. */ #define VM_PHYSSEG_SPARSE /* * The number of PHYSSEG entries is equal to the number of phys_avail * entries. */ #define VM_PHYSSEG_MAX 49 /* * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool * from which physical pages are allocated and VM_FREEPOOL_DIRECT is * the pool from which physical pages for small UMA objects are * allocated. */ #define VM_NFREEPOOL 3 #define VM_FREEPOOL_CACHE 2 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 1 /* * Create one free page list. */ #define VM_NFREELIST 1 #define VM_FREELIST_DEFAULT 0 /* * An allocation size of 256MB is supported in order to optimize the * use of the identity mappings in region 7 by UMA. */ #define VM_NFREEORDER 16 /* + * Disable superpage reservations. + */ +#ifndef VM_NRESERVLEVEL +#define VM_NRESERVLEVEL 0 +#endif + +/* * Manipulating region bits of an address. */ #define IA64_RR_BASE(n) (((u_int64_t) (n)) << 61) #define IA64_RR_MASK(x) ((x) & ((1L << 61) - 1)) #define IA64_PHYS_TO_RR6(x) ((x) | IA64_RR_BASE(6)) #define IA64_PHYS_TO_RR7(x) ((x) | IA64_RR_BASE(7)) /* * Page size of the identity mappings in region 7. */ #ifndef LOG2_ID_PAGE_SIZE #define LOG2_ID_PAGE_SIZE 28 /* 256M */ #endif #define IA64_ID_PAGE_SHIFT (LOG2_ID_PAGE_SIZE) #define IA64_ID_PAGE_SIZE (1<<(LOG2_ID_PAGE_SIZE)) #define IA64_ID_PAGE_MASK (IA64_ID_PAGE_SIZE-1) #define IA64_BACKINGSTORE IA64_RR_BASE(4) /* * Mach derived constants */ /* user/kernel map constants */ #define VM_MIN_ADDRESS 0 #define VM_MAX_ADDRESS IA64_RR_BASE(5) #define VM_GATEWAY_SIZE PAGE_SIZE #define VM_MAXUSER_ADDRESS (VM_MAX_ADDRESS + VM_GATEWAY_SIZE) #define VM_MIN_KERNEL_ADDRESS VM_MAXUSER_ADDRESS #define VM_MAX_KERNEL_ADDRESS (IA64_RR_BASE(6) - 1) #define KERNBASE VM_MAX_ADDRESS /* virtual sizes (bytes) for various kernel submaps */ #ifndef VM_KMEM_SIZE #define VM_KMEM_SIZE (12 * 1024 * 1024) #endif /* * How many physical pages per KVA page allocated. * min(max(max(VM_KMEM_SIZE, Physical memory/VM_KMEM_SIZE_SCALE), * VM_KMEM_SIZE_MIN), VM_KMEM_SIZE_MAX) * is the total KVA space allocated for kmem_map. */ #ifndef VM_KMEM_SIZE_SCALE #define VM_KMEM_SIZE_SCALE (4) /* XXX 8192 byte pages */ #endif /* initial pagein size of beginning of executable file */ #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #endif /* !_MACHINE_VMPARAM_H */ Index: head/sys/powerpc/include/vmparam.h =================================================================== --- head/sys/powerpc/include/vmparam.h (revision 174937) +++ head/sys/powerpc/include/vmparam.h (revision 174938) @@ -1,146 +1,153 @@ /*- * Copyright (C) 1995, 1996 Wolfgang Solfrank. * Copyright (C) 1995, 1996 TooLs GmbH. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by TooLs GmbH. * 4. The name of TooLs GmbH may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $NetBSD: vmparam.h,v 1.11 2000/02/11 19:25:16 thorpej Exp $ * $FreeBSD$ */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ #define USRSTACK VM_MAXUSER_ADDRESS #ifndef MAXTSIZ #define MAXTSIZ (16*1024*1024) /* max text size */ #endif #ifndef DFLDSIZ #define DFLDSIZ (32*1024*1024) /* default data size */ #endif #ifndef MAXDSIZ #define MAXDSIZ (512*1024*1024) /* max data size */ #endif #ifndef DFLSSIZ #define DFLSSIZ (1*1024*1024) /* default stack size */ #endif #ifndef MAXSSIZ #define MAXSSIZ (32*1024*1024) /* max stack size */ #endif /* * Size of shared memory map */ #ifndef SHMMAXPGS #define SHMMAXPGS 1024 #endif /* * The time for a process to be blocked before being very swappable. * This is a number of seconds which the system takes as being a non-trivial * amount of real time. You probably shouldn't change this; * it is used in subtle ways (fractions and multiples of it are, that is, like * half of a ``long time'', almost a long time, etc.) * It is related to human patience and other factors which don't really * change over time. */ #define MAXSLP 20 /* * Use the direct-mapped BAT registers for UMA small allocs. This * takes pressure off the small amount of available KVA. */ #define UMA_MD_SMALL_ALLOC /* * Would like to have MAX addresses = 0, but this doesn't (currently) work */ #define VM_MIN_ADDRESS ((vm_offset_t)0) #define VM_MAXUSER_ADDRESS ((vm_offset_t)0x7ffff000) #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS #define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)(KERNEL_SR << ADDR_SR_SHFT)) #define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + 2*SEGMENT_LENGTH - 1) #define KERNBASE 0x100000 /* start of kernel virtual */ /* XXX max. amount of KVM to be used by buffers. */ #ifndef VM_MAX_KERNEL_BUF #define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH * 7 / 10) #endif struct pmap_physseg { struct pv_entry *pvent; char *attrs; }; #define VM_PHYSSEG_MAX 16 /* 1? */ /* * The physical address space is densely populated. */ #define VM_PHYSSEG_DENSE /* * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool * from which physical pages are allocated and VM_FREEPOOL_DIRECT is * the pool from which physical pages for small UMA objects are * allocated. */ #define VM_NFREEPOOL 3 #define VM_FREEPOOL_CACHE 2 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 1 /* * Create one free page list. */ #define VM_NFREELIST 1 #define VM_FREELIST_DEFAULT 0 /* * The largest allocation size is 4MB. */ #define VM_NFREEORDER 11 +/* + * Disable superpage reservations. + */ +#ifndef VM_NRESERVLEVEL +#define VM_NRESERVLEVEL 0 +#endif + #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #ifndef SGROWSIZ #define SGROWSIZ (128UL*1024) /* amount to grow stack */ #endif #ifndef VM_KMEM_SIZE #define VM_KMEM_SIZE (12 * 1024 * 1024) #endif #endif /* _MACHINE_VMPARAM_H_ */ Index: head/sys/sparc64/include/vmparam.h =================================================================== --- head/sys/sparc64/include/vmparam.h (revision 174937) +++ head/sys/sparc64/include/vmparam.h (revision 174938) @@ -1,229 +1,236 @@ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * Copyright (c) 1994 John S. Dyson * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)vmparam.h 5.9 (Berkeley) 5/12/91 * from: FreeBSD: src/sys/i386/include/vmparam.h,v 1.33 2000/03/30 * $FreeBSD$ */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ /* * Virtual memory related constants, all in bytes */ #ifndef MAXTSIZ #define MAXTSIZ (1*1024*1024*1024) /* max text size */ #endif #ifndef DFLDSIZ #define DFLDSIZ (128*1024*1024) /* initial data size limit */ #endif #ifndef MAXDSIZ #define MAXDSIZ (1*1024*1024*1024) /* max data size */ #endif #ifndef DFLSSIZ #define DFLSSIZ (128*1024*1024) /* initial stack size limit */ #endif #ifndef MAXSSIZ #define MAXSSIZ (1*1024*1024*1024) /* max stack size */ #endif #ifndef SGROWSIZ #define SGROWSIZ (128*1024) /* amount to grow stack */ #endif /* * The time for a process to be blocked before being very swappable. * This is a number of seconds which the system takes as being a non-trivial * amount of real time. You probably shouldn't change this; * it is used in subtle ways (fractions and multiples of it are, that is, like * half of a ``long time'', almost a long time, etc.) * It is related to human patience and other factors which don't really * change over time. */ #define MAXSLP 20 /* * The physical address space is sparsely populated. */ #define VM_PHYSSEG_SPARSE /* * The number of PHYSSEG entries must be one greater than the number * of phys_avail entries because the phys_avail entry that spans the * largest physical address that is accessible by ISA DMA is split * into two PHYSSEG entries. */ #define VM_PHYSSEG_MAX 64 /* * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool * from which physical pages are allocated and VM_FREEPOOL_DIRECT is * the pool from which physical pages for small UMA objects are * allocated. */ #define VM_NFREEPOOL 3 #define VM_FREEPOOL_CACHE 2 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 1 /* * Create two free page lists: VM_FREELIST_DEFAULT is for physical * pages that are above the largest physical address that is * accessible by ISA DMA and VM_FREELIST_ISADMA is for physical pages * that are below that address. */ #define VM_NFREELIST 2 #define VM_FREELIST_DEFAULT 0 #define VM_FREELIST_ISADMA 1 /* * An allocation size of 16MB is supported in order to optimize the * use of the direct map by UMA. Specifically, a cache line contains * at most four TTEs, collectively mapping 16MB of physical memory. * By reducing the number of distinct 16MB "pages" that are used by UMA, * the physical memory allocator reduces the likelihood of both 4MB * page TLB misses and cache misses caused by 4MB page TLB misses. */ #define VM_NFREEORDER 12 /* + * Disable superpage reservations. + */ +#ifndef VM_NRESERVLEVEL +#define VM_NRESERVLEVEL 0 +#endif + +/* * Address space layout. * * UltraSPARC I and II implement a 44 bit virtual address space. The address * space is split into 2 regions at each end of the 64 bit address space, with * an out of range "hole" in the middle. UltraSPARC III implements the full * 64 bit virtual address space, but we don't really have any use for it and * 43 bits of user address space is considered to be "enough", so we ignore it. * * Upper region: 0xffffffffffffffff * 0xfffff80000000000 * * Hole: 0xfffff7ffffffffff * 0x0000080000000000 * * Lower region: 0x000007ffffffffff * 0x0000000000000000 * * In general we ignore the upper region, and use the lower region as mappable * space. * * We define some interesting address constants: * * VM_MIN_ADDRESS and VM_MAX_ADDRESS define the start and of the entire 64 bit * address space, mostly just for convenience. * * VM_MIN_DIRECT_ADDRESS and VM_MAX_DIRECT_ADDRESS define the start and end * of the direct mapped region. This maps virtual addresses to physical * addresses directly using 4mb tlb entries, with the physical address encoded * in the lower 43 bits of virtual address. These mappings are convenient * because they do not require page tables, and because they never change they * do not require tlb flushes. However, since these mappings are cacheable, * we must ensure that all pages accessed this way are either not double * mapped, or that all other mappings have virtual color equal to physical * color, in order to avoid creating illegal aliases in the data cache. * * VM_MIN_KERNEL_ADDRESS and VM_MAX_KERNEL_ADDRESS define the start and end of * mappable kernel virtual address space. VM_MIN_KERNEL_ADDRESS is basically * arbitrary, a convenient address is chosen which allows both the kernel text * and data and the prom's address space to be mapped with 1 4mb tsb page. * VM_MAX_KERNEL_ADDRESS is variable, computed at startup time based on the * amount of physical memory available. Each 4mb tsb page provides 1g of * virtual address space, with the only practical limit being available * phsyical memory. * * VM_MIN_PROM_ADDRESS and VM_MAX_PROM_ADDRESS define the start and end of the * prom address space. On startup the prom's mappings are duplicated in the * kernel tsb, to allow prom memory to be accessed normally by the kernel. * * VM_MIN_USER_ADDRESS and VM_MAX_USER_ADDRESS define the start and end of the * user address space. There are some hardware errata about using addresses * at the boundary of the va hole, so we allow just under 43 bits of user * address space. Note that the kernel and user address spaces overlap, but * this doesn't matter because they use different tlb contexts, and because * the kernel address space is not mapped into each process' address space. */ #define VM_MIN_ADDRESS (0x0000000000000000UL) #define VM_MAX_ADDRESS (0xffffffffffffffffUL) #define VM_MIN_DIRECT_ADDRESS (0xfffff80000000000UL) #define VM_MAX_DIRECT_ADDRESS (VM_MAX_ADDRESS) #define VM_MIN_KERNEL_ADDRESS (0x00000000c0000000UL) #define VM_MAX_KERNEL_ADDRESS (vm_max_kernel_address) #define VM_MIN_PROM_ADDRESS (0x00000000f0000000UL) #define VM_MAX_PROM_ADDRESS (0x00000000ffffe000UL) #define VM_MIN_USER_ADDRESS (0x0000000000000000UL) #define VM_MAX_USER_ADDRESS (0x000007fe00000000UL) #define VM_MINUSER_ADDRESS (VM_MIN_USER_ADDRESS) #define VM_MAXUSER_ADDRESS (VM_MAX_USER_ADDRESS) #define KERNBASE (VM_MIN_KERNEL_ADDRESS) #define USRSTACK (VM_MAX_USER_ADDRESS) /* * Virtual size (bytes) for various kernel submaps. */ #ifndef VM_KMEM_SIZE #define VM_KMEM_SIZE (16*1024*1024) #endif /* * How many physical pages per KVA page allocated. * min(max(max(VM_KMEM_SIZE, Physical memory/VM_KMEM_SIZE_SCALE), * VM_KMEM_SIZE_MIN), VM_KMEM_SIZE_MAX) * is the total KVA space allocated for kmem_map. */ #ifndef VM_KMEM_SIZE_SCALE #define VM_KMEM_SIZE_SCALE (3) #endif /* * Initial pagein size of beginning of executable file. */ #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #define UMA_MD_SMALL_ALLOC extern vm_offset_t vm_max_kernel_address; #endif /* !_MACHINE_VMPARAM_H_ */ Index: head/sys/sun4v/include/vmparam.h =================================================================== --- head/sys/sun4v/include/vmparam.h (revision 174937) +++ head/sys/sun4v/include/vmparam.h (revision 174938) @@ -1,227 +1,234 @@ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * Copyright (c) 1994 John S. Dyson * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)vmparam.h 5.9 (Berkeley) 5/12/91 * from: FreeBSD: src/sys/i386/include/vmparam.h,v 1.33 2000/03/30 * $FreeBSD$ */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ /* * Virtual memory related constants, all in bytes */ #ifndef MAXTSIZ #define MAXTSIZ (1*1024*1024*1024) /* max text size */ #endif #ifndef DFLDSIZ #define DFLDSIZ (128*1024*1024) /* initial data size limit */ #endif #ifndef MAXDSIZ #define MAXDSIZ (1*1024*1024*1024) /* max data size */ #endif #ifndef DFLSSIZ #define DFLSSIZ (128*1024*1024) /* initial stack size limit */ #endif #ifndef MAXSSIZ #define MAXSSIZ (1*1024*1024*1024) /* max stack size */ #endif #ifndef SGROWSIZ #define SGROWSIZ (128*1024) /* amount to grow stack */ #endif /* * The time for a process to be blocked before being very swappable. * This is a number of seconds which the system takes as being a non-trivial * amount of real time. You probably shouldn't change this; * it is used in subtle ways (fractions and multiples of it are, that is, like * half of a ``long time'', almost a long time, etc.) * It is related to human patience and other factors which don't really * change over time. */ #define MAXSLP 20 /* * The physical address space is densely populated. */ #define VM_PHYSSEG_DENSE /* * The number of PHYSSEG entries must be one greater than the number * of phys_avail entries because the phys_avail entry that spans the * largest physical address that is accessible by ISA DMA is split * into two PHYSSEG entries. */ #define VM_PHYSSEG_MAX 64 /* * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool * from which physical pages are allocated and VM_FREEPOOL_DIRECT is * the pool from which physical pages for small UMA objects are * allocated. */ #define VM_NFREEPOOL 3 #define VM_FREEPOOL_CACHE 2 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 1 /* * Create two free page lists: VM_FREELIST_DEFAULT is for physical * pages that are above the largest physical address that is * accessible by ISA DMA and VM_FREELIST_ISADMA is for physical pages * that are below that address. */ #define VM_NFREELIST 2 #define VM_FREELIST_DEFAULT 0 #define VM_FREELIST_ISADMA 1 /* * An allocation size of 16MB is supported in order to optimize the * use of the direct map by UMA. Specifically, a cache line contains * at most four TTEs, collectively mapping 16MB of physical memory. * By reducing the number of distinct 16MB "pages" that are used by UMA, * the physical memory allocator reduces the likelihood of both 4MB * page TLB misses and cache misses caused by 4MB page TLB misses. */ #define VM_NFREEORDER 12 /* + * Disable superpage reservations. + */ +#ifndef VM_NRESERVLEVEL +#define VM_NRESERVLEVEL 0 +#endif + +/* * Address space layout. * * UltraSPARC I and II implement a 44 bit virtual address space. The address * space is split into 2 regions at each end of the 64 bit address space, with * an out of range "hole" in the middle. UltraSPARC III implements the full * 64 bit virtual address space, but we don't really have any use for it and * 43 bits of user address space is considered to be "enough", so we ignore it. * * Upper region: 0xffffffffffffffff * 0xfffff80000000000 * * Hole: 0xfffff7ffffffffff * 0x0000080000000000 * * Lower region: 0x000007ffffffffff * 0x0000000000000000 * * In general we ignore the upper region, and use the lower region as mappable * space. * * We define some interesting address constants: * * VM_MIN_ADDRESS and VM_MAX_ADDRESS define the start and of the entire 64 bit * address space, mostly just for convenience. * * VM_MIN_DIRECT_ADDRESS and VM_MAX_DIRECT_ADDRESS define the start and end * of the direct mapped region. This maps virtual addresses to physical * addresses directly using 4mb tlb entries, with the physical address encoded * in the lower 43 bits of virtual address. These mappings are convenient * because they do not require page tables, and because they never change they * do not require tlb flushes. However, since these mappings are cacheable, * we must ensure that all pages accessed this way are either not double * mapped, or that all other mappings have virtual color equal to physical * color, in order to avoid creating illegal aliases in the data cache. * * VM_MIN_KERNEL_ADDRESS and VM_MAX_KERNEL_ADDRESS define the start and end of * mappable kernel virtual address space. VM_MIN_KERNEL_ADDRESS is basically * arbitrary, a convenient address is chosen which allows both the kernel text * and data and the prom's address space to be mapped with 1 4mb tsb page. * VM_MAX_KERNEL_ADDRESS is variable, computed at startup time based on the * amount of physical memory available. Each 4mb tsb page provides 1g of * virtual address space, with the only practical limit being available * phsyical memory. * * VM_MIN_PROM_ADDRESS and VM_MAX_PROM_ADDRESS define the start and end of the * prom address space. On startup the prom's mappings are duplicated in the * kernel tsb, to allow prom memory to be accessed normally by the kernel. * * VM_MIN_USER_ADDRESS and VM_MAX_USER_ADDRESS define the start and end of the * user address space. There are some hardware errata about using addresses * at the boundary of the va hole, so we allow just under 43 bits of user * address space. Note that the kernel and user address spaces overlap, but * this doesn't matter because they use different tlb contexts, and because * the kernel address space is not mapped into each process' address space. */ #define VM_MIN_ADDRESS (0x0000000000000000UL) #define VM_MAX_ADDRESS (0xffffffffffffffffUL) #define VM_MIN_DIRECT_ADDRESS (0xfffff80000000000UL) #define VM_MAX_DIRECT_ADDRESS (VM_MAX_ADDRESS) #define VM_MIN_KERNEL_ADDRESS (0x00000000c0000000UL) #define VM_MAX_KERNEL_ADDRESS (vm_max_kernel_address) #define VM_MIN_PROM_ADDRESS (0x00000000f0000000UL) #define VM_MAX_PROM_ADDRESS (0x00000000ffffffffUL) #define VM_MIN_USER_ADDRESS (0x0000000000002000UL) #define VM_MAX_USER_ADDRESS (0x000007fe00000000UL) #define VM_MINUSER_ADDRESS (VM_MIN_USER_ADDRESS) #define VM_MAXUSER_ADDRESS (VM_MAX_USER_ADDRESS) #define KERNBASE (VM_MIN_KERNEL_ADDRESS) #define USRSTACK (VM_MAX_USER_ADDRESS) /* * Virtual size (bytes) for various kernel submaps. */ #ifndef VM_KMEM_SIZE #define VM_KMEM_SIZE (16*1024*1024) #endif /* * How many physical pages per KVA page allocated. * min(max(max(VM_KMEM_SIZE, Physical memory/VM_KMEM_SIZE_SCALE), * VM_KMEM_SIZE_MIN), VM_KMEM_SIZE_MAX) * is the total KVA space allocated for kmem_map. */ #ifndef VM_KMEM_SIZE_SCALE #define VM_KMEM_SIZE_SCALE (3) #endif /* * Initial pagein size of beginning of executable file. */ #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #define UMA_MD_SMALL_ALLOC extern vm_offset_t vm_max_kernel_address; #endif /* !_MACHINE_VMPARAM_H_ */