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Differential D23102 Diff 66815 head/sys/kern/subr_vmem.c

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head/sys/kern/subr_vmem.c

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#include <vm/vm_extern.h> #include <vm/vm_extern.h>
#include <vm/vm_param.h> #include <vm/vm_param.h>
#include <vm/vm_page.h> #include <vm/vm_page.h>
#include <vm/vm_pageout.h> #include <vm/vm_pageout.h>
#include <vm/vm_phys.h> #include <vm/vm_phys.h>
#include <vm/vm_pagequeue.h> #include <vm/vm_pagequeue.h>
#include <vm/uma_int.h> #include <vm/uma_int.h>
int vmem_startup_count(void);
#define VMEM_OPTORDER 5 #define VMEM_OPTORDER 5
#define VMEM_OPTVALUE (1 << VMEM_OPTORDER) #define VMEM_OPTVALUE (1 << VMEM_OPTORDER)
#define VMEM_MAXORDER \ #define VMEM_MAXORDER \
(VMEM_OPTVALUE - 1 + sizeof(vmem_size_t) * NBBY - VMEM_OPTORDER) (VMEM_OPTVALUE - 1 + sizeof(vmem_size_t) * NBBY - VMEM_OPTORDER)
#define VMEM_HASHSIZE_MIN 16 #define VMEM_HASHSIZE_MIN 16
#define VMEM_HASHSIZE_MAX 131072 #define VMEM_HASHSIZE_MAX 131072
▲ Show 20 Lines • Show All 566 Lines • ▼ Show 20 Linesvmem_bt_alloc(uma_zone_t zone, vm_size_t bytes, int domain, uint8_t *pflag,
mtx_unlock(&vmem_bt_lock); mtx_unlock(&vmem_bt_lock);
/* /*
* We're either out of address space or lost a fill race. * We're either out of address space or lost a fill race.
*/ */
if (wait & M_WAITOK) if (wait & M_WAITOK)
pause("btalloc", 1); pause("btalloc", 1);
return (NULL); return (NULL);
}
/*
* How many pages do we need to startup_alloc.
*/
int
vmem_startup_count(void)
{
return (howmany(BT_MAXALLOC, slab_ipers(sizeof(struct vmem_btag),
UMA_ALIGN_PTR)));
} }
#endif #endif
void void
vmem_startup(void) vmem_startup(void)
{ {
mtx_init(&vmem_list_lock, "vmem list lock", NULL, MTX_DEF); mtx_init(&vmem_list_lock, "vmem list lock", NULL, MTX_DEF);
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