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Code Issues Releases Activity

Correct an error in r230623. When both VM_ALLOC_NODUMP and VM_ALLOC_ZERO

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were specified to vm_page_alloc(), PG_NODUMP wasn't being set on the
allocated page when it happened to be pre-zeroed.

MFC after:	5 days
This commit is contained in:
Alan Cox 2012-11-21 06:26:18 +00:00
parent 95122b9404
commit 0d69690e8f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=243366
1 changed files with 2 additions and 2 deletions
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4
sys/vm/vm_page.c
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@ -1481,13 +1481,13 @@ vm_page_alloc(vm_object_t object, vm_pindex_t pindex, int req)
* must be cleared before the free page queues lock is released.
*/
flags = 0;
if (req & VM_ALLOC_NODUMP)
flags |= PG_NODUMP;
if (m->flags & PG_ZERO) {
vm_page_zero_count--;
if (req & VM_ALLOC_ZERO)
flags = PG_ZERO;
}
if (req & VM_ALLOC_NODUMP)
flags |= PG_NODUMP;
m->flags = flags;
mtx_unlock(&vm_page_queue_free_mtx);
m->aflags = 0;