From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758644AbXKLUS4 (ORCPT ); Mon, 12 Nov 2007 15:18:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751650AbXKLUSr (ORCPT ); Mon, 12 Nov 2007 15:18:47 -0500 Received: from gw1.cosmosbay.com ([86.65.150.130]:53676 "EHLO gw1.cosmosbay.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751484AbXKLUSq (ORCPT ); Mon, 12 Nov 2007 15:18:46 -0500 Message-ID: <4738B509.9000305@cosmosbay.com> Date: Mon, 12 Nov 2007 21:18:17 +0100 From: Eric Dumazet User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Christoph Lameter CC: Herbert Xu , David Miller , akpm@linux-foundation.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, mathieu.desnoyers@polymtl.ca, penberg@cs.helsinki.fi Subject: Re: [patch 0/7] [RFC] SLUB: Improve allocpercpu to reduce per cpu access overhead References: <4738AE04.1030506@cosmosbay.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-1.6 (gw1.cosmosbay.com [86.65.150.130]); Mon, 12 Nov 2007 21:18:27 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Christoph Lameter a écrit : > On Mon, 12 Nov 2007, Eric Dumazet wrote: >> For example, I do think using a per cpu memory storage on net_device refcnt & >> last_rx could give us some speedups. > > Note that there was a new patchset posted (titled cpu alloc v1) that > provides on demand extension of the cpu areas. > > See http://marc.info/?l=linux-kernel&m=119438261304093&w=2 Thank you Christoph. I was traveling last week so I missed that. This new patchset looks very interesting, you did a fantastic job !