From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 8 Aug 2007 16:28:57 -0700 (PDT) From: Christoph Lameter 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: owner-linux-mm@kvack.org Return-Path: 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 List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org