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From: Alan Cox <alc@FreeBSD.org>
Date: Tue, 17 Feb 2009 06:56:38 +0000 (UTC)
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Subject: svn commit: r188706 - user/alc/pagelock/sys/vm
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Author: alc
Date: Tue Feb 17 06:56:38 2009
New Revision: 188706
URL: http://svn.freebsd.org/changeset/base/188706

Log:
  Reduce the scope of the page queues lock.

Modified:
  user/alc/pagelock/sys/vm/vm_mmap.c

Modified: user/alc/pagelock/sys/vm/vm_mmap.c
==============================================================================
--- user/alc/pagelock/sys/vm/vm_mmap.c	Tue Feb 17 04:12:10 2009	(r188705)
+++ user/alc/pagelock/sys/vm/vm_mmap.c	Tue Feb 17 06:56:38 2009	(r188706)
@@ -869,10 +869,10 @@ RestartScan:
 				 */
 				if (m != NULL && m->valid != 0) {
 					mincoreinfo = MINCORE_INCORE;
-					vm_page_lock_queues();
 					if (m->dirty ||
 						pmap_is_modified(m))
 						mincoreinfo |= MINCORE_MODIFIED_OTHER;
+					vm_page_lock_queues();
 					if ((m->flags & PG_REFERENCED) ||
 						pmap_ts_referenced(m)) {
 						vm_page_flag_set(m, PG_REFERENCED);