Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937027AbXHHX3P (ORCPT ); Wed, 8 Aug 2007 19:29:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762179AbXHHX27 (ORCPT ); Wed, 8 Aug 2007 19:28:59 -0400 Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:53253 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1762578AbXHHX26 (ORCPT ); Wed, 8 Aug 2007 19:28:58 -0400 Date: Wed, 8 Aug 2007 16:28:57 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Mel Gorman cc: Lee.Schermerhorn@hp.com, pj@sgi.com, ak@suse.de, kamezawa.hiroyu@jp.fujitsu.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 2/3] Use one zonelist that is filtered instead of multiple zonelists In-Reply-To: <20070808211032.GB2441@skynet.ie> Message-ID: References: <20070808161504.32320.79576.sendpatchset@skynet.skynet.ie> <20070808161545.32320.41940.sendpatchset@skynet.skynet.ie> <20070808211032.GB2441@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: 619 Lines: 14 On Wed, 8 Aug 2007, Mel Gorman wrote: > The zone_id is the one I'm really interested in. It looks like the most > promising optimisation for avoiding zone_idx in the hotpath. Certainly the highest priority. However, if the nodeid could be coded in then we may be able to also avoid the GFP_THISNODE zonelists and improve the speed of matching a zonelist to a node mask. - 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/