Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751307AbXAKRvb (ORCPT ); Thu, 11 Jan 2007 12:51:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751053AbXAKRvb (ORCPT ); Thu, 11 Jan 2007 12:51:31 -0500 Received: from omx1-ext.sgi.com ([192.48.179.11]:48773 "EHLO omx1.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751307AbXAKRva (ORCPT ); Thu, 11 Jan 2007 12:51:30 -0500 Date: Thu, 11 Jan 2007 09:51:15 -0800 (PST) From: Christoph Lameter To: Nick Piggin cc: David Chinner , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown In-Reply-To: <45A602F0.1090405@yahoo.com.au> Message-ID: References: <20070110223731.GC44411608@melbourne.sgi.com> <20070110230855.GF44411608@melbourne.sgi.com> <45A57333.6060904@yahoo.com.au> <20070111003158.GT33919298@melbourne.sgi.com> <45A58DFA.8050304@yahoo.com.au> <20070111012404.GW33919298@melbourne.sgi.com> <45A602F0.1090405@yahoo.com.au> 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: 443 Lines: 11 On Thu, 11 Jan 2007, Nick Piggin wrote: > You're not turning on zone_reclaim, by any chance, are you? It is not a NUMA system so zone reclaim is not available. zone reclaim was already in 2.6.16. - 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/