Author: alc
Date: Fri May 17 18:49:43 2013
New Revision: 250745
URL: http://svnweb.freebsd.org/changeset/base/250745
Log:
Relax the object locking assertion in vm_page_lookup(). Now that a radix
tree is used to maintain the object's collection of resident pages,
vm_page_lookup() no longer needs an exclusive lock.
Reviewed by: attilio
Sponsored by: EMC / Isilon Storage Division
Modified:
head/sys/vm/vm_page.c
Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c Fri May 17 17:45:00 2013 (r250744)
+++ head/sys/vm/vm_page.c Fri May 17 18:49:43 2013 (r250745)
@@ -942,7 +942,7 @@ vm_page_t
vm_page_lookup(vm_object_t object, vm_pindex_t pindex)
{
- VM_OBJECT_ASSERT_WLOCKED(object);
+ VM_OBJECT_ASSERT_LOCKED(object);
return (vm_radix_lookup(&object->rtree, pindex));
}
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