From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752589AbYKGSpp (ORCPT ); Fri, 7 Nov 2008 13:45:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751699AbYKGSpg (ORCPT ); Fri, 7 Nov 2008 13:45:36 -0500 Received: from nlpi053.sbcis.sbc.com ([207.115.36.82]:47953 "EHLO nlpi053.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751665AbYKGSpg (ORCPT ); Fri, 7 Nov 2008 13:45:36 -0500 Date: Fri, 7 Nov 2008 12:45:20 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@quilx.com To: Mel Gorman cc: KAMEZAWA Hiroyuki , KOSAKI Motohiro , LKML , linux-mm Subject: Re: [RFC][PATCH] mm: the page of MIGRATE_RESERVE don't insert into pcp In-Reply-To: <20081107112722.GE13786@csn.ul.ie> Message-ID: References: <20081106091431.0D2A.KOSAKI.MOTOHIRO@jp.fujitsu.com> <20081106164644.GA14012@csn.ul.ie> <20081107104224.1631057e.kamezawa.hiroyu@jp.fujitsu.com> <20081107104242.GC13786@csn.ul.ie> <20081107200251.15e9851a.kamezawa.hiroyu@jp.fujitsu.com> <20081107112722.GE13786@csn.ul.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Score: -2.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 7 Nov 2008, Mel Gorman wrote: > Oh, do you mean splitting the list instead of searching? This is how it was > originally implement and shot down on the grounds it increased the size of > a per-cpu structure. The situation may be better with the cpu_alloc stuff. The big pcp array in struct zone for all possible processors will be gone and thus the memory requirements will be less.