Author: alc
Date: Wed Nov 21 06:26:18 2012
New Revision: 243366
URL: http://svnweb.freebsd.org/changeset/base/243366
Log:
Correct an error in r230623. When both VM_ALLOC_NODUMP and VM_ALLOC_ZERO
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
Modified:
head/sys/vm/vm_page.c
Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c Wed Nov 21 04:54:02 2012 (r243365)
+++ head/sys/vm/vm_page.c Wed Nov 21 06:26:18 2012 (r243366)
@@ -1481,13 +1481,13 @@ vm_page_alloc(vm_object_t object, vm_pin
* 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;
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