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o Replace GIANT_REQUIRED in swap_pager_alloc() by the acquisition and

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release of Giant.  (Annotate as MPSAFE.)
This commit is contained in:
Alan Cox 2002-06-22 08:03:21 +00:00
parent 2a1618cd59
commit 24c46d036d
1 changed files with 4 additions and 3 deletions
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7
sys/vm/swap_pager.c
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@ -366,6 +366,8 @@ swap_pager_swap_init()
* add because (I believe) it is not possible to attempt to create
* a new swap object w/handle when a default object with that handle
* already exists.
*
* MPSAFE
*/
static vm_object_t
swap_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot,
@ -373,8 +375,7 @@ swap_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot,
{
vm_object_t object;
GIANT_REQUIRED;
mtx_lock(&Giant);
if (handle) {
/*
* Reference existing named region or allocate new one. There
@ -401,7 +402,7 @@ swap_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot,
swp_pager_meta_build(object, 0, SWAPBLK_NONE);
}
mtx_unlock(&Giant);
return (object);
}