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Use the pool allocator and the "nointr" pool page allocator for dynamically

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allocated vm_map_entry's.
This commit is contained in:
thorpej 1998-08-31 01:10:15 +00:00
parent 99626224a7
commit be8d09cda3
1 changed files with 11 additions and 4 deletions
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15
sys/uvm/uvm_map.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_map.c,v 1.25 1998/08/31 00:20:26 thorpej Exp $ */ /* $NetBSD: uvm_map.c,v 1.26 1998/08/31 01:10:15 thorpej Exp $ */
/* /*
* XXXCDC: "ROUGH DRAFT" QUALITY UVM PRE-RELEASE FILE! * XXXCDC: "ROUGH DRAFT" QUALITY UVM PRE-RELEASE FILE!
@ -110,6 +110,11 @@ struct uvm_cnt uvm_mlk_call, uvm_mlk_hint;
struct pool uvm_vmspace_pool; struct pool uvm_vmspace_pool;
/*
* pool for dynamically-allocated map entries.
*/
struct pool uvm_map_entry_pool;
/* /*
* macros * macros
@ -194,8 +199,7 @@ uvm_mapent_alloc(map)
UVMHIST_CALLED(maphist); UVMHIST_CALLED(maphist);
if (map->entries_pageable) { if (map->entries_pageable) {
MALLOC(me, vm_map_entry_t, sizeof(struct vm_map_entry), me = pool_get(&uvm_map_entry_pool, PR_WAITOK);
M_VMMAPENT, M_WAITOK);
me->flags = 0; me->flags = 0;
/* me can't be null, wait ok */ /* me can't be null, wait ok */
@ -233,7 +237,7 @@ uvm_mapent_free(me)
UVMHIST_LOG(maphist,"<- freeing map entry=0x%x [flags=%d]", UVMHIST_LOG(maphist,"<- freeing map entry=0x%x [flags=%d]",
me, me->flags, 0, 0); me, me->flags, 0, 0);
if ((me->flags & UVM_MAP_STATIC) == 0) { if ((me->flags & UVM_MAP_STATIC) == 0) {
FREE(me, M_VMMAPENT); pool_put(&uvm_map_entry_pool, me);
} else { } else {
s = splimp(); /* protect kentry_free list with splimp */ s = splimp(); /* protect kentry_free list with splimp */
simple_lock(&uvm.kentry_lock); simple_lock(&uvm.kentry_lock);
@ -322,6 +326,9 @@ uvm_map_init()
pool_init(&uvm_vmspace_pool, sizeof(struct vmspace), pool_init(&uvm_vmspace_pool, sizeof(struct vmspace),
0, 0, 0, "vmsppl", 0, 0, 0, 0, "vmsppl", 0,
pool_page_alloc_nointr, pool_page_free_nointr, M_VMMAP); pool_page_alloc_nointr, pool_page_free_nointr, M_VMMAP);
pool_init(&uvm_map_entry_pool, sizeof(struct vm_map_entry),
0, 0, 0, "vmmpepl", 0,
pool_page_alloc_nointr, pool_page_free_nointr, M_VMMAP);
} }
/* /*