From owner-svn-src-head@FreeBSD.ORG  Sat Feb 21 20:57:26 2009
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 495C21065673;
	Sat, 21 Feb 2009 20:57:26 +0000 (UTC) (envelope-from alc@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 385D78FC12;
	Sat, 21 Feb 2009 20:57:26 +0000 (UTC) (envelope-from alc@FreeBSD.org)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id n1LKvQSZ075177;
	Sat, 21 Feb 2009 20:57:26 GMT (envelope-from alc@svn.freebsd.org)
Received: (from alc@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id n1LKvQj2075176;
	Sat, 21 Feb 2009 20:57:26 GMT (envelope-from alc@svn.freebsd.org)
Message-Id: <200902212057.n1LKvQj2075176@svn.freebsd.org>
From: Alan Cox <alc@FreeBSD.org>
Date: Sat, 21 Feb 2009 20:57:26 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r188900 - head/sys/vm
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 21 Feb 2009 20:57:26 -0000

Author: alc
Date: Sat Feb 21 20:57:25 2009
New Revision: 188900
URL: http://svn.freebsd.org/changeset/base/188900

Log:
  Reduce the scope of the page queues lock in vm_object_page_remove().
  
  MFC after:	1 week

Modified:
  head/sys/vm/vm_object.c

Modified: head/sys/vm/vm_object.c
==============================================================================
--- head/sys/vm/vm_object.c	Sat Feb 21 19:25:13 2009	(r188899)
+++ head/sys/vm/vm_object.c	Sat Feb 21 20:57:25 2009	(r188900)
@@ -1869,7 +1869,6 @@ vm_object_page_remove(vm_object_t object
 
 	vm_object_pip_add(object, 1);
 again:
-	vm_page_lock_queues();
 	if ((p = TAILQ_FIRST(&object->memq)) != NULL) {
 		if (p->pindex < start) {
 			p = vm_page_splay(start, object->root);
@@ -1877,6 +1876,7 @@ again:
 				p = TAILQ_NEXT(p, listq);
 		}
 	}
+	vm_page_lock_queues();
 	/*
 	 * Assert: the variable p is either (1) the page with the
 	 * least pindex greater than or equal to the parameter pindex