Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935643AbXHHRDz (ORCPT ); Wed, 8 Aug 2007 13:03:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755532AbXHHRDp (ORCPT ); Wed, 8 Aug 2007 13:03:45 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:34467 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752170AbXHHRDo (ORCPT ); Wed, 8 Aug 2007 13:03:44 -0400 Date: Wed, 8 Aug 2007 10:03:42 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Mel Gorman cc: Andrew Morton , Andi Kleen , Lee.Schermerhorn@hp.com, kamezawa.hiroyu@jp.fujitsu.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Apply memory policies to top two highest zones when highest zone is ZONE_MOVABLE In-Reply-To: <20070808164944.GA974@skynet.ie> Message-ID: References: <20070802172118.GD23133@skynet.ie> <200708040002.18167.ak@suse.de> <20070806121558.e1977ba5.akpm@linux-foundation.org> <200708062231.49247.ak@suse.de> <20070806215541.GC6142@skynet.ie> <20070806221252.aa1e9048.akpm@linux-foundation.org> <20070807165546.GA7603@skynet.ie> <20070807111430.f35c03c0.akpm@linux-foundation.org> <20070808164944.GA974@skynet.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1069 Lines: 20 On Wed, 8 Aug 2007, Mel Gorman wrote: > Despite a fairly specific case, I'd still like to get the problem fixed > for 2.6.23. I've posted up an alternative fix under the subject "Use one > zonelist per node instead of multiple zonelists v2". It's a more invasive > fix although arguably it's better overall than the hack because it's not > dealing with a specific special case and has a sensible path forward that > makes policies a saner ultimately. However, unlike the hack it affects all > callers of the page allocator so lets see what the reaction from reviewers > is before forgetting about the hack altogether. Well its more a precursor to things to come than a hack. If the tests go well for the single zonelist scheme then we may end up doing what the patch did for the mpol_bind zonelists for all allocations. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/