Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030194AbXAKBlE (ORCPT ); Wed, 10 Jan 2007 20:41:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030189AbXAKBlD (ORCPT ); Wed, 10 Jan 2007 20:41:03 -0500 Received: from omx1-ext.sgi.com ([192.48.179.11]:57306 "EHLO omx1.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1030194AbXAKBlB (ORCPT ); Wed, 10 Jan 2007 20:41:01 -0500 Date: Wed, 10 Jan 2007 17:40:26 -0800 (PST) From: Christoph Lameter To: David Chinner cc: Nick Piggin , 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: <20070111010605.GU33919298@melbourne.sgi.com> Message-ID: References: <20070110223731.GC44411608@melbourne.sgi.com> <20070110230855.GF44411608@melbourne.sgi.com> <45A57333.6060904@yahoo.com.au> <20070111003158.GT33919298@melbourne.sgi.com> <20070111010605.GU33919298@melbourne.sgi.com> 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: 1016 Lines: 20 On Thu, 11 Jan 2007, David Chinner wrote: > On Wed, Jan 10, 2007 at 04:43:36PM -0800, Christoph Lameter wrote: > > You are comparing a debian 2.6.18 standard kernel with your tuned version > > of 2.6.20-rc3. There may be a lot of differences. Could you get us the > > config? Or use the same config file and build 2.6.20/18 the same way. > > I took the /proc/config.gz from the debian 2.6.18-1 kernel as the > base config for the 2.6.20-rc3 kernel and did a make oldconfig on > it to make sure it was valid for the newer kernel but pretty much > the same. I think that's the right process, so I don't think > different build configs are the problem here. Debian may have added extra patches that are not upstream. I see f.e. some of my post 2.6.18 patches in there. - 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/