From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755953AbYEQNfs (ORCPT ); Sat, 17 May 2008 09:35:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753771AbYEQNfk (ORCPT ); Sat, 17 May 2008 09:35:40 -0400 Received: from mx1.redhat.com ([66.187.233.31]:44099 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751796AbYEQNfk (ORCPT ); Sat, 17 May 2008 09:35:40 -0400 Date: Sat, 17 May 2008 09:35:22 -0400 From: Rik van Riel To: MinChan Kim Cc: linux-kernel@vger.kernel.org, Andrew Morton , Lee Schermerhorn , Kosaki Motohiro Subject: Re: [patch 00/14] VM pageout scalability improvements (V7) Message-ID: <20080517093522.1371a40e@bree.surriel.com> In-Reply-To: <482E7246.5070607@gmail.com> References: <20080516183207.361608893@redhat.com> <482E7246.5070607@gmail.com> Organization: Red Hat, Inc. X-Mailer: Claws Mail 3.0.2 (GTK+ 2.10.4; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 17 May 2008 14:51:02 +0900 MinChan Kim wrote: > Rik van Riel wrote: > > On large memory systems, the VM can spend way too much time scanning > > through pages that it cannot (or should not) evict from memory. Not > > only does it use up CPU time, but it also provokes lock contention > > and can leave large systems under memory presure in a catatonic state. > > > > Against 2.6.25-rc2-mm1 > > I think it's typo error. > This patch is based on 2.6.26-rc2-mm1. :-) Yeah, that was a typo. I just inserted -rc2 after forward porting the stuff from 2.6.25-mm1 :) Andrew, the code is against your latest tree and has been performance tested in a few scenarios. I believe it should be ready to be merged now. -- All rights reversed.