From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753092AbXC1VUY (ORCPT ); Wed, 28 Mar 2007 17:20:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753098AbXC1VUY (ORCPT ); Wed, 28 Mar 2007 17:20:24 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:51712 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753092AbXC1VUW (ORCPT ); Wed, 28 Mar 2007 17:20:22 -0400 Date: Wed, 28 Mar 2007 14:20:20 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: William Lee Irwin III cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [RFC] i386: Remove page sized slabs for pgds and pmds In-Reply-To: <20070328211658.GE2986@holomorphy.com> Message-ID: References: <20070328134511.0d61ec8f.akpm@linux-foundation.org> <20070328211658.GE2986@holomorphy.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 On Wed, 28 Mar 2007, William Lee Irwin III wrote: > On Wed, Mar 28, 2007 at 02:05:54PM -0700, Christoph Lameter wrote: > > Seems that there is a slight benefit but its also barely above noise > > level. > > I already went over the methodological issues with kernel compiles. > You may be able to prove this, but not this way. But this way is an established kernel way of doing things. Seems that my AIM9 stuff was not convincing and I am not sure what other tests would be acceptable. Could you post some of data regarding the improvements possible through your patches?