svn commit: r192842 - user/kmacy/releng_7_2_fcs/sys/vm

[Kip Macy]

Author: kmacy
Date: Tue May 26 19:02:20 2009
New Revision: 192842
URL: http://svn.freebsd.org/changeset/base/192842

Log:
  we don't need to hold the page lock while calling vm_page_busy (just the object lock)

Modified:
  user/kmacy/releng_7_2_fcs/sys/vm/vm_object.c

Modified: user/kmacy/releng_7_2_fcs/sys/vm/vm_object.c
==============================================================================
--- user/kmacy/releng_7_2_fcs/sys/vm/vm_object.c	Tue May 26 19:01:31 2009	(r192841)
+++ user/kmacy/releng_7_2_fcs/sys/vm/vm_object.c	Tue May 26 19:02:20 2009	(r192842)
@@ -1416,8 +1416,8 @@ retry:
 		}
 		vm_page_rename(m, new_object, idx);
 		/* page automatically made dirty by rename and cache handled */
-		vm_page_busy(m);
 		vm_page_unlock(m);
+		vm_page_busy(m);
 	}
 	if (orig_object->type == OBJT_SWAP) {
 		/*