mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-02 08:42:48 +00:00
Give this code a major facelift:
- replace the simplelock in struct vm_zone with a mutex. - use a proper SLIST rather than a hand-rolled job for the zone list. - add a subsystem lock that protects the zone list and the statistics counters. - merge _zalloc() into zalloc() and _zfree() into zfree(), and move them below _zget() so there's no need for a prototype. - add two initialization functions: one which initializes the subsystem mutex and the zone list, and one that currently doesn't do anything. - zap zerror(); use KASSERTs instead. - dike out half of sysctl_vm_zone(), which was mostly trying to do manually what the snprintf() call could do better. Reviewed by: jhb, jasone
This commit is contained in:
Dag-Erling Smørgrav
parent
56771ca74b
commit
0b0dfb6b07
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=71361
377
sys/vm/vm_zone.c
377
sys/vm/vm_zone.c
@ -19,6 +19,8 @@
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/lock.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/mutex.h>
|
||||
#include <sys/queue.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <sys/vmmeter.h>
|
||||
|
||||
@ -32,61 +34,9 @@
|
||||
|
||||
static MALLOC_DEFINE(M_ZONE, "ZONE", "Zone header");
|
||||
|
||||
#define ZONE_ERROR_INVALID 0
|
||||
#define ZONE_ERROR_NOTFREE 1
|
||||
#define ZONE_ERROR_ALREADYFREE 2
|
||||
#define ZENTRY_FREE (void*)0x12342378
|
||||
|
||||
#define ZONE_ROUNDING 32
|
||||
|
||||
#define ZENTRY_FREE 0x12342378
|
||||
|
||||
static void *_zget(vm_zone_t z);
|
||||
|
||||
/*
|
||||
* void *zalloc(vm_zone_t zone) --
|
||||
* Returns an item from a specified zone.
|
||||
*
|
||||
* void zfree(vm_zone_t zone, void *item) --
|
||||
* Frees an item back to a specified zone.
|
||||
*/
|
||||
static __inline__ void *
|
||||
_zalloc(vm_zone_t z)
|
||||
{
|
||||
void *item;
|
||||
|
||||
#ifdef INVARIANTS
|
||||
if (z == 0)
|
||||
zerror(ZONE_ERROR_INVALID);
|
||||
#endif
|
||||
|
||||
if (z->zfreecnt <= z->zfreemin)
|
||||
return _zget(z);
|
||||
|
||||
item = z->zitems;
|
||||
z->zitems = ((void **) item)[0];
|
||||
#ifdef INVARIANTS
|
||||
if (((void **) item)[1] != (void *) ZENTRY_FREE)
|
||||
zerror(ZONE_ERROR_NOTFREE);
|
||||
((void **) item)[1] = 0;
|
||||
#endif
|
||||
|
||||
z->zfreecnt--;
|
||||
z->znalloc++;
|
||||
return item;
|
||||
}
|
||||
|
||||
static __inline__ void
|
||||
_zfree(vm_zone_t z, void *item)
|
||||
{
|
||||
((void **) item)[0] = z->zitems;
|
||||
#ifdef INVARIANTS
|
||||
if (((void **) item)[1] == (void *) ZENTRY_FREE)
|
||||
zerror(ZONE_ERROR_ALREADYFREE);
|
||||
((void **) item)[1] = (void *) ZENTRY_FREE;
|
||||
#endif
|
||||
z->zitems = item;
|
||||
z->zfreecnt++;
|
||||
}
|
||||
#define ZONE_ROUNDING 32
|
||||
|
||||
/*
|
||||
* This file comprises a very simple zone allocator. This is used
|
||||
@ -101,13 +51,44 @@ _zfree(vm_zone_t z, void *item)
|
||||
* must reside in areas after the first two longwords.
|
||||
*
|
||||
* zinitna, zinit, zbootinit are the initialization routines.
|
||||
* zalloc, zfree, are the interrupt/lock unsafe allocation/free routines.
|
||||
* zalloci, zfreei, are the interrupt/lock safe allocation/free routines.
|
||||
* zalloc, zfree, are the allocation/free routines.
|
||||
*/
|
||||
|
||||
static struct vm_zone *zlist;
|
||||
static int sysctl_vm_zone(SYSCTL_HANDLER_ARGS);
|
||||
static int zone_kmem_pages, zone_kern_pages, zone_kmem_kvaspace;
|
||||
/*
|
||||
* Subsystem lock. Never grab it while holding a zone lock.
|
||||
*/
|
||||
static struct mtx zone_mtx;
|
||||
|
||||
/*
|
||||
* Singly-linked list of zones, for book-keeping purposes
|
||||
*/
|
||||
static SLIST_HEAD(vm_zone_list, vm_zone) zlist;
|
||||
|
||||
/*
|
||||
* Statistics
|
||||
*/
|
||||
static int zone_kmem_pages; /* Number of interrupt-safe pages allocated */
|
||||
static int zone_kern_pages; /* Number of KVA pages allocated */
|
||||
static int zone_kmem_kvaspace; /* Number of non-intsafe pages allocated */
|
||||
|
||||
/*
|
||||
* Subsystem initialization, called from vm_mem_init()
|
||||
*/
|
||||
void
|
||||
vm_zone_init(void)
|
||||
{
|
||||
mtx_init(&zone_mtx, "zone subsystem", MTX_DEF);
|
||||
SLIST_INIT(&zlist);
|
||||
}
|
||||
|
||||
void
|
||||
vm_zone_init2(void)
|
||||
{
|
||||
/*
|
||||
* LATER: traverse zlist looking for partially initialized
|
||||
* LATER: zones and finish initializing them.
|
||||
*/
|
||||
}
|
||||
|
||||
/*
|
||||
* Create a zone, but don't allocate the zone structure. If the
|
||||
@ -137,26 +118,16 @@ zinitna(vm_zone_t z, vm_object_t obj, char *name, int size,
|
||||
int nentries, int flags, int zalloc)
|
||||
{
|
||||
int totsize, oldzflags;
|
||||
vm_zone_t oldzlist;
|
||||
|
||||
oldzflags = z->zflags;
|
||||
oldzlist = zlist;
|
||||
if ((z->zflags & ZONE_BOOT) == 0) {
|
||||
z->zsize = (size + ZONE_ROUNDING - 1) & ~(ZONE_ROUNDING - 1);
|
||||
simple_lock_init(&z->zlock);
|
||||
z->zfreecnt = 0;
|
||||
z->ztotal = 0;
|
||||
z->zmax = 0;
|
||||
z->zname = name;
|
||||
z->znalloc = 0;
|
||||
z->zitems = NULL;
|
||||
|
||||
if (zlist == 0) {
|
||||
zlist = z;
|
||||
} else {
|
||||
z->znext = zlist;
|
||||
zlist = z;
|
||||
}
|
||||
}
|
||||
|
||||
z->zflags |= flags;
|
||||
@ -169,14 +140,9 @@ zinitna(vm_zone_t z, vm_object_t obj, char *name, int size,
|
||||
|
||||
totsize = round_page(z->zsize * nentries);
|
||||
zone_kmem_kvaspace += totsize;
|
||||
|
||||
z->zkva = kmem_alloc_pageable(kernel_map, totsize);
|
||||
if (z->zkva == 0) {
|
||||
/* Clean up the zlist in case we messed it. */
|
||||
if ((oldzflags & ZONE_BOOT) == 0)
|
||||
zlist = oldzlist;
|
||||
if (z->zkva == 0)
|
||||
return 0;
|
||||
}
|
||||
|
||||
z->zpagemax = totsize / PAGE_SIZE;
|
||||
if (obj == NULL) {
|
||||
@ -204,6 +170,14 @@ zinitna(vm_zone_t z, vm_object_t obj, char *name, int size,
|
||||
else
|
||||
z->zalloc = 1;
|
||||
|
||||
/* our zone is good and ready, add it to the list */
|
||||
if ((z->zflags & ZONE_BOOT) == 0) {
|
||||
mtx_init(&(z)->zmtx, "zone", MTX_DEF);
|
||||
mtx_enter(&zone_mtx, MTX_DEF);
|
||||
SLIST_INSERT_HEAD(&zlist, z, zent);
|
||||
mtx_exit(&zone_mtx, MTX_DEF);
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
@ -232,8 +206,13 @@ zinit(char *name, int size, int nentries, int flags, int zalloc)
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize a zone before the system is fully up. This routine should
|
||||
* only be called before full VM startup.
|
||||
* Initialize a zone before the system is fully up.
|
||||
*
|
||||
* We can't rely on being able to allocate items dynamically, so we
|
||||
* kickstart the zone with a number of static items provided by the
|
||||
* caller.
|
||||
*
|
||||
* This routine should only be called before full VM startup.
|
||||
*/
|
||||
void
|
||||
zbootinit(vm_zone_t z, char *name, int size, void *item, int nitems)
|
||||
@ -250,14 +229,14 @@ zbootinit(vm_zone_t z, char *name, int size, void *item, int nitems)
|
||||
z->zpagecount = 0;
|
||||
z->zalloc = 0;
|
||||
z->znalloc = 0;
|
||||
simple_lock_init(&z->zlock);
|
||||
mtx_init(&(z)->zmtx, "zone", MTX_DEF);
|
||||
|
||||
bzero(item, nitems * z->zsize);
|
||||
z->zitems = NULL;
|
||||
for (i = 0; i < nitems; i++) {
|
||||
((void **) item)[0] = z->zitems;
|
||||
#ifdef INVARIANTS
|
||||
((void **) item)[1] = (void *) ZENTRY_FREE;
|
||||
((void **) item)[1] = ZENTRY_FREE;
|
||||
#endif
|
||||
z->zitems = item;
|
||||
(char *) item += z->zsize;
|
||||
@ -266,68 +245,13 @@ zbootinit(vm_zone_t z, char *name, int size, void *item, int nitems)
|
||||
z->zmax = nitems;
|
||||
z->ztotal = nitems;
|
||||
|
||||
if (zlist == 0) {
|
||||
zlist = z;
|
||||
} else {
|
||||
z->znext = zlist;
|
||||
zlist = z;
|
||||
}
|
||||
mtx_enter(&zone_mtx, MTX_DEF);
|
||||
SLIST_INSERT_HEAD(&zlist, z, zent);
|
||||
mtx_exit(&zone_mtx, MTX_DEF);
|
||||
}
|
||||
|
||||
/*
|
||||
* Zone critical region locks.
|
||||
*/
|
||||
static __inline int
|
||||
zlock(vm_zone_t z)
|
||||
{
|
||||
int s;
|
||||
|
||||
s = splhigh();
|
||||
simple_lock(&z->zlock);
|
||||
return s;
|
||||
}
|
||||
|
||||
static __inline void
|
||||
zunlock(vm_zone_t z, int s)
|
||||
{
|
||||
simple_unlock(&z->zlock);
|
||||
splx(s);
|
||||
}
|
||||
|
||||
/*
|
||||
* void *zalloc(vm_zone_t zone) --
|
||||
* Returns an item from a specified zone.
|
||||
*
|
||||
* void zfree(vm_zone_t zone, void *item) --
|
||||
* Frees an item back to a specified zone.
|
||||
*
|
||||
*/
|
||||
|
||||
void *
|
||||
zalloc(vm_zone_t z)
|
||||
{
|
||||
int s;
|
||||
void *item;
|
||||
|
||||
s = zlock(z);
|
||||
item = _zalloc(z);
|
||||
zunlock(z, s);
|
||||
return item;
|
||||
}
|
||||
|
||||
void
|
||||
zfree(vm_zone_t z, void *item)
|
||||
{
|
||||
int s;
|
||||
|
||||
s = zlock(z);
|
||||
_zfree(z, item);
|
||||
zunlock(z, s);
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Internal zone routine. Not to be called from external (non vm_zone) code.
|
||||
* Grow the specified zone to accomodate more items.
|
||||
*/
|
||||
static void *
|
||||
_zget(vm_zone_t z)
|
||||
@ -337,8 +261,8 @@ _zget(vm_zone_t z)
|
||||
int nitems, nbytes;
|
||||
void *item;
|
||||
|
||||
if (z == NULL)
|
||||
panic("zget: null zone");
|
||||
KASSERT(z != NULL, ("invalid zone"));
|
||||
mtx_assert(&z->zmtx, MA_OWNED);
|
||||
|
||||
if (z->zflags & ZONE_INTERRUPT) {
|
||||
item = (char *) z->zkva + z->zpagecount * PAGE_SIZE;
|
||||
@ -376,18 +300,15 @@ _zget(vm_zone_t z)
|
||||
* map.
|
||||
*/
|
||||
if (lockstatus(&kernel_map->lock, NULL)) {
|
||||
int s;
|
||||
s = splvm();
|
||||
simple_unlock(&z->zlock);
|
||||
mtx_exit(&z->zmtx, MTX_DEF);
|
||||
item = (void *) kmem_malloc(kmem_map, nbytes, M_WAITOK);
|
||||
simple_lock(&z->zlock);
|
||||
mtx_enter(&z->zmtx, MTX_DEF);
|
||||
if (item != NULL)
|
||||
zone_kmem_pages += z->zalloc;
|
||||
splx(s);
|
||||
} else {
|
||||
simple_unlock(&z->zlock);
|
||||
mtx_exit(&z->zmtx, MTX_DEF);
|
||||
item = (void *) kmem_alloc(kernel_map, nbytes);
|
||||
simple_lock(&z->zlock);
|
||||
mtx_enter(&z->zmtx, MTX_DEF);
|
||||
if (item != NULL)
|
||||
zone_kern_pages += z->zalloc;
|
||||
}
|
||||
@ -408,7 +329,7 @@ _zget(vm_zone_t z)
|
||||
for (i = 0; i < nitems; i++) {
|
||||
((void **) item)[0] = z->zitems;
|
||||
#ifdef INVARIANTS
|
||||
((void **) item)[1] = (void *) ZENTRY_FREE;
|
||||
((void **) item)[1] = ZENTRY_FREE;
|
||||
#endif
|
||||
z->zitems = item;
|
||||
(char *) item += z->zsize;
|
||||
@ -419,8 +340,8 @@ _zget(vm_zone_t z)
|
||||
item = z->zitems;
|
||||
z->zitems = ((void **) item)[0];
|
||||
#ifdef INVARIANTS
|
||||
if (((void **) item)[1] != (void *) ZENTRY_FREE)
|
||||
zerror(ZONE_ERROR_NOTFREE);
|
||||
KASSERT(((void **) item)[1] == ZENTRY_FREE,
|
||||
("item is not free"));
|
||||
((void **) item)[1] = 0;
|
||||
#endif
|
||||
z->zfreecnt--;
|
||||
@ -429,91 +350,99 @@ _zget(vm_zone_t z)
|
||||
item = NULL;
|
||||
}
|
||||
|
||||
mtx_assert(&z->zmtx, MA_OWNED);
|
||||
return item;
|
||||
}
|
||||
|
||||
/*
|
||||
* Allocates an item from the specified zone.
|
||||
*/
|
||||
void *
|
||||
zalloc(vm_zone_t z)
|
||||
{
|
||||
void *item;
|
||||
|
||||
KASSERT(z != NULL, ("invalid zone"));
|
||||
mtx_enter(&z->zmtx, MTX_DEF);
|
||||
|
||||
if (z->zfreecnt <= z->zfreemin) {
|
||||
item = _zget(z);
|
||||
mtx_exit(&z->zmtx, MTX_DEF);
|
||||
return item;
|
||||
}
|
||||
|
||||
item = z->zitems;
|
||||
z->zitems = ((void **) item)[0];
|
||||
#ifdef INVARIANTS
|
||||
KASSERT(((void **) item)[1] == ZENTRY_FREE,
|
||||
("item is not free"));
|
||||
((void **) item)[1] = 0;
|
||||
#endif
|
||||
|
||||
z->zfreecnt--;
|
||||
z->znalloc++;
|
||||
|
||||
mtx_exit(&z->zmtx, MTX_DEF);
|
||||
return item;
|
||||
}
|
||||
|
||||
/*
|
||||
* Frees an item back to the specified zone.
|
||||
*/
|
||||
void
|
||||
zfree(vm_zone_t z, void *item)
|
||||
{
|
||||
KASSERT(z != NULL, ("invalid zone"));
|
||||
KASSERT(item != NULL, ("invalid item"));
|
||||
mtx_enter(&z->zmtx, MTX_DEF);
|
||||
|
||||
((void **) item)[0] = z->zitems;
|
||||
#ifdef INVARIANTS
|
||||
KASSERT(((void **) item)[1] != ZENTRY_FREE,
|
||||
("item is already free"));
|
||||
((void **) item)[1] = (void *) ZENTRY_FREE;
|
||||
#endif
|
||||
z->zitems = item;
|
||||
z->zfreecnt++;
|
||||
|
||||
mtx_exit(&z->zmtx, MTX_DEF);
|
||||
}
|
||||
|
||||
/*
|
||||
* Sysctl handler for vm.zone
|
||||
*/
|
||||
static int
|
||||
sysctl_vm_zone(SYSCTL_HANDLER_ARGS)
|
||||
{
|
||||
int error=0;
|
||||
vm_zone_t curzone, nextzone;
|
||||
int error, len;
|
||||
char tmpbuf[128];
|
||||
char tmpname[14];
|
||||
vm_zone_t z;
|
||||
|
||||
snprintf(tmpbuf, sizeof(tmpbuf),
|
||||
"\nITEM SIZE LIMIT USED FREE REQUESTS\n");
|
||||
error = SYSCTL_OUT(req, tmpbuf, strlen(tmpbuf));
|
||||
if (error)
|
||||
return (error);
|
||||
|
||||
for (curzone = zlist; curzone; curzone = nextzone) {
|
||||
int i;
|
||||
int len;
|
||||
int offset;
|
||||
|
||||
nextzone = curzone->znext;
|
||||
len = strlen(curzone->zname);
|
||||
if (len >= (sizeof(tmpname) - 1))
|
||||
len = (sizeof(tmpname) - 1);
|
||||
for(i = 0; i < sizeof(tmpname) - 1; i++)
|
||||
tmpname[i] = ' ';
|
||||
tmpname[i] = 0;
|
||||
memcpy(tmpname, curzone->zname, len);
|
||||
tmpname[len] = ':';
|
||||
offset = 0;
|
||||
if (curzone == zlist) {
|
||||
offset = 1;
|
||||
tmpbuf[0] = '\n';
|
||||
}
|
||||
|
||||
snprintf(tmpbuf + offset, sizeof(tmpbuf) - offset,
|
||||
"%s %6.6u, %8.8u, %6.6u, %6.6u, %8.8u\n",
|
||||
tmpname, curzone->zsize, curzone->zmax,
|
||||
(curzone->ztotal - curzone->zfreecnt),
|
||||
curzone->zfreecnt, curzone->znalloc);
|
||||
|
||||
len = strlen((char *)tmpbuf);
|
||||
if (nextzone == NULL)
|
||||
mtx_enter(&zone_mtx, MTX_DEF);
|
||||
len = snprintf(tmpbuf, sizeof(tmpbuf),
|
||||
"\nITEM SIZE LIMIT USED FREE REQUESTS\n\n");
|
||||
error = SYSCTL_OUT(req, tmpbuf, SLIST_EMPTY(&zlist) ? len-1 : len);
|
||||
SLIST_FOREACH(z, &zlist, zent) {
|
||||
mtx_enter(&z->zmtx, MTX_DEF);
|
||||
len = snprintf(tmpbuf, sizeof(tmpbuf),
|
||||
"%-14.14s %6.6u, %8.8u, %6.6u, %6.6u, %8.8u\n",
|
||||
z->zname, z->zsize, z->zmax, (z->ztotal - z->zfreecnt),
|
||||
z->zfreecnt, z->znalloc);
|
||||
mtx_exit(&z->zmtx, MTX_DEF);
|
||||
if (SLIST_NEXT(z, zent) == NULL)
|
||||
tmpbuf[len - 1] = 0;
|
||||
|
||||
error = SYSCTL_OUT(req, tmpbuf, len);
|
||||
|
||||
if (error)
|
||||
return (error);
|
||||
}
|
||||
return (0);
|
||||
mtx_exit(&zone_mtx, MTX_DEF);
|
||||
return (error);
|
||||
}
|
||||
|
||||
#ifdef INVARIANT_SUPPORT
|
||||
void
|
||||
zerror(int error)
|
||||
{
|
||||
char *msg;
|
||||
SYSCTL_OID(_vm, OID_AUTO, zone, CTLTYPE_STRING|CTLFLAG_RD,
|
||||
NULL, 0, sysctl_vm_zone, "A", "Zone Info");
|
||||
|
||||
switch (error) {
|
||||
case ZONE_ERROR_INVALID:
|
||||
msg = "zone: invalid zone";
|
||||
break;
|
||||
case ZONE_ERROR_NOTFREE:
|
||||
msg = "zone: entry not free";
|
||||
break;
|
||||
case ZONE_ERROR_ALREADYFREE:
|
||||
msg = "zone: freeing free entry";
|
||||
break;
|
||||
default:
|
||||
msg = "zone: invalid error";
|
||||
break;
|
||||
}
|
||||
panic(msg);
|
||||
}
|
||||
#endif
|
||||
|
||||
SYSCTL_OID(_vm, OID_AUTO, zone, CTLTYPE_STRING|CTLFLAG_RD, \
|
||||
NULL, 0, sysctl_vm_zone, "A", "Zone Info");
|
||||
|
||||
SYSCTL_INT(_vm, OID_AUTO, zone_kmem_pages,
|
||||
CTLFLAG_RD, &zone_kmem_pages, 0, "Number of interrupt safe pages allocated by zone");
|
||||
SYSCTL_INT(_vm, OID_AUTO, zone_kmem_kvaspace,
|
||||
CTLFLAG_RD, &zone_kmem_kvaspace, 0, "KVA space allocated by zone");
|
||||
SYSCTL_INT(_vm, OID_AUTO, zone_kern_pages,
|
||||
CTLFLAG_RD, &zone_kern_pages, 0, "Number of non-interrupt safe pages allocated by zone");
|
||||
SYSCTL_INT(_vm, OID_AUTO, zone_kmem_pages, CTLFLAG_RD, &zone_kmem_pages, 0,
|
||||
"Number of interrupt safe pages allocated by zone");
|
||||
SYSCTL_INT(_vm, OID_AUTO, zone_kmem_kvaspace, CTLFLAG_RD, &zone_kmem_kvaspace, 0,
|
||||
"KVA space allocated by zone");
|
||||
SYSCTL_INT(_vm, OID_AUTO, zone_kern_pages, CTLFLAG_RD, &zone_kern_pages, 0,
|
||||
"Number of non-interrupt safe pages allocated by zone");
|
||||
|
||||
@ -21,10 +21,10 @@
|
||||
#define ZONE_INTERRUPT 1 /* Use this if you need to allocate at int time */
|
||||
#define ZONE_BOOT 16 /* This is an internal flag used by zbootinit */
|
||||
|
||||
#include <machine/lock.h>
|
||||
#include <sys/mutex.h>
|
||||
|
||||
typedef struct vm_zone {
|
||||
struct simplelock zlock; /* lock for data structure */
|
||||
struct mtx zmtx; /* lock for data structure */
|
||||
void *zitems; /* linked list of items */
|
||||
int zfreecnt; /* free entries */
|
||||
int zfreemin; /* minimum number of free entries */
|
||||
@ -40,18 +40,21 @@ typedef struct vm_zone {
|
||||
int zallocflag; /* flag for allocation */
|
||||
struct vm_object *zobj; /* object to hold zone */
|
||||
char *zname; /* name for diags */
|
||||
struct vm_zone *znext; /* list of zones for sysctl */
|
||||
/* NOTE: zent is protected by the subsystem lock, *not* by zmtx */
|
||||
SLIST_ENTRY(vm_zone) zent; /* singly-linked list of zones */
|
||||
} *vm_zone_t;
|
||||
|
||||
|
||||
void zerror __P((int)) __dead2;
|
||||
vm_zone_t zinit __P((char *name, int size, int nentries, int flags,
|
||||
int zalloc));
|
||||
int zinitna __P((vm_zone_t z, struct vm_object *obj, char *name,
|
||||
int size, int nentries, int flags, int zalloc));
|
||||
void * zalloc __P((vm_zone_t z));
|
||||
void zfree __P((vm_zone_t z, void *item));
|
||||
void zbootinit __P((vm_zone_t z, char *name, int size, void *item,
|
||||
int nitems));
|
||||
void vm_zone_init(void);
|
||||
void vm_zone_init2(void);
|
||||
|
||||
int zinitna(vm_zone_t z, struct vm_object *obj, char *name,
|
||||
int size, int nentries, int flags, int zalloc);
|
||||
vm_zone_t zinit(char *name, int size, int nentries,
|
||||
int flags, int zalloc);
|
||||
void zbootinit(vm_zone_t z, char *name, int size,
|
||||
void *item, int nitems);
|
||||
void *zalloc(vm_zone_t z);
|
||||
void zfree(vm_zone_t z, void *item);
|
||||
|
||||
#endif /* _SYS_ZONE_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user