From owner-cvs-src@FreeBSD.ORG  Thu Jul 31 22:45:37 2008
Return-Path: <owner-cvs-src@FreeBSD.ORG>
Delivered-To: cvs-src@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 194FA106576B;
	Thu, 31 Jul 2008 22:45:37 +0000 (UTC) (envelope-from alc@FreeBSD.org)
Received: from repoman.freebsd.org (repoman.freebsd.org
	[IPv6:2001:4f8:fff6::29])
	by mx1.freebsd.org (Postfix) with ESMTP id 043E88FC1A;
	Thu, 31 Jul 2008 22:45:37 +0000 (UTC) (envelope-from alc@FreeBSD.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.14.2/8.14.2) with ESMTP id m6VMjaCU063777;
	Thu, 31 Jul 2008 22:45:36 GMT (envelope-from alc@repoman.freebsd.org)
Received: (from svn2cvs@localhost)
	by repoman.freebsd.org (8.14.2/8.14.1/Submit) id m6VMjaKi063776;
	Thu, 31 Jul 2008 22:45:36 GMT (envelope-from alc@repoman.freebsd.org)
Message-Id: <200807312245.m6VMjaKi063776@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to
	alc@repoman.freebsd.org using -f
From: Alan Cox <alc@FreeBSD.org>
Date: Thu, 31 Jul 2008 22:45:28 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/amd64/amd64 pmap.c src/sys/amd64/include pmap.h
X-BeenThere: cvs-src@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: CVS commit messages for the src tree <cvs-src.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-src>
List-Post: <mailto:cvs-src@freebsd.org>
List-Help: <mailto:cvs-src-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 31 Jul 2008 22:45:37 -0000

alc         2008-07-31 22:45:28 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      pmap.c 
    sys/amd64/include    pmap.h 
  Log:
  SVN rev 181077 on 2008-07-31 22:45:28Z by alc
  
  Enhance pmap_change_attr().  Specifically, avoid 2MB page demotions, cache
  mode changes, and cache and TLB invalidation when some or all of the
  specified range is already mapped with the specified cache mode.
  
  Submitted by:   Magesh Dhasayyan
  
  Revision  Changes    Path
  1.640     +50 -21    src/sys/amd64/amd64/pmap.c
  1.147     +4 -0      src/sys/amd64/include/pmap.h