From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756073AbYB0Pd3 (ORCPT ); Wed, 27 Feb 2008 10:33:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750929AbYB0PdV (ORCPT ); Wed, 27 Feb 2008 10:33:21 -0500 Received: from mx1.redhat.com ([66.187.233.31]:40268 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751098AbYB0PdU (ORCPT ); Wed, 27 Feb 2008 10:33:20 -0500 Date: Wed, 27 Feb 2008 10:30:55 -0500 From: Rik van Riel To: David Rientjes Cc: KOSAKI Motohiro , Balbir Singh , KAMEZAWA Hiroyuki , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Lee Schermerhorn , Nick Piggin Subject: Re: [RFC][PATCH] page reclaim throttle take2 Message-ID: <20080227103055.2267b50c@bree.surriel.com> In-Reply-To: References: <47C4F9C0.5010607@linux.vnet.ibm.com> <20080227160746.425E.KOSAKI.MOTOHIRO@jp.fujitsu.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 Tue, 26 Feb 2008 23:19:08 -0800 (PST) David Rientjes wrote: > My suggestion is merely to make the number of concurrent page reclaim > threads be a function of how many online cpus there are. The more CPUs there are, the more lock contention you want? Somehow that seems backwards :) -- All rights reversed.