Differential D21456 Diff 61622 head/sys/kern/vfs_vnops.c

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head/sys/kern/vfs_vnops.c

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#include <security/mac/mac_framework.h>		#include <security/mac/mac_framework.h>

#include <vm/vm.h>		#include <vm/vm.h>
#include <vm/vm_extern.h>		#include <vm/vm_extern.h>
#include <vm/pmap.h>		#include <vm/pmap.h>
#include <vm/vm_map.h>		#include <vm/vm_map.h>
#include <vm/vm_object.h>		#include <vm/vm_object.h>
#include <vm/vm_page.h>		#include <vm/vm_page.h>
#include <vm/vnode_pager.h>		#include <vm/vm_pager.h>

#ifdef HWPMC_HOOKS		#ifdef HWPMC_HOOKS
#include <sys/pmckern.h>		#include <sys/pmckern.h>
#endif		#endif

static fo_rdwr_t vn_read;		static fo_rdwr_t vn_read;
static fo_rdwr_t vn_write;		static fo_rdwr_t vn_write;
static fo_rdwr_t vn_io_fault;		static fo_rdwr_t vn_io_fault;
▲ Show 20 Lines • Show All 2,398 Lines • ▼ Show 20 Lines	#endif
error = vm_mmap_object(map, addr, size, prot, maxprot, flags, object,		error = vm_mmap_object(map, addr, size, prot, maxprot, flags, object,
foff, writecounted, td);		foff, writecounted, td);
if (error != 0) {		if (error != 0) {
/*		/*
* If this mapping was accounted for in the vnode's		* If this mapping was accounted for in the vnode's
* writecount, then undo that now.		* writecount, then undo that now.
*/		*/
if (writecounted)		if (writecounted)
vnode_pager_release_writecount(object, 0, size);		vm_pager_release_writecount(object, 0, size);
vm_object_deallocate(object);		vm_object_deallocate(object);
}		}
#ifdef HWPMC_HOOKS		#ifdef HWPMC_HOOKS
/* Inform hwpmc(4) if an executable is being mapped. */		/* Inform hwpmc(4) if an executable is being mapped. */
if (PMC_HOOK_INSTALLED(PMC_FN_MMAP)) {		if (PMC_HOOK_INSTALLED(PMC_FN_MMAP)) {
if ((prot & VM_PROT_EXECUTE) != 0 && error == 0) {		if ((prot & VM_PROT_EXECUTE) != 0 && error == 0) {
pkm.pm_file = vp;		pkm.pm_file = vp;
pkm.pm_address = (uintptr_t) *addr;		pkm.pm_address = (uintptr_t) *addr;
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