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From: Alan Cox <alc@FreeBSD.org>
Date: Tue, 15 Jun 2010 18:37:32 +0000 (UTC)
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Subject: svn commit: r209211 - head/sys/dev/md
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Author: alc
Date: Tue Jun 15 18:37:31 2010
New Revision: 209211
URL: http://svn.freebsd.org/changeset/base/209211

Log:
  Eliminate unnecessary page queues locking.

Modified:
  head/sys/dev/md/md.c

Modified: head/sys/dev/md/md.c
==============================================================================
--- head/sys/dev/md/md.c	Tue Jun 15 18:18:31 2010	(r209210)
+++ head/sys/dev/md/md.c	Tue Jun 15 18:37:31 2010	(r209211)
@@ -666,12 +666,10 @@ mdstart_swap(struct md_s *sc, struct bio
 		sched_unpin();
 		vm_page_wakeup(m);
 		vm_page_lock(m);
-		vm_page_lock_queues();
 		vm_page_activate(m);
+		vm_page_unlock(m);
 		if (bp->bio_cmd == BIO_WRITE)
 			vm_page_dirty(m);
-		vm_page_unlock_queues();
-		vm_page_unlock(m);
 
 		/* Actions on further pages start at offset 0 */
 		p += PAGE_SIZE - offs;