From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760130AbXKLWqu (ORCPT ); Mon, 12 Nov 2007 17:46:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757464AbXKLWql (ORCPT ); Mon, 12 Nov 2007 17:46:41 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:59057 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755575AbXKLWqk convert rfc822-to-8bit (ORCPT ); Mon, 12 Nov 2007 17:46:40 -0500 Date: Mon, 12 Nov 2007 14:46:39 -0800 (PST) Message-Id: <20071112.144639.115283334.davem@davemloft.net> To: dada1@cosmosbay.com Cc: clameter@sgi.com, herbert@gondor.apana.org.au, 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 From: David Miller In-Reply-To: <4738B509.9000305@cosmosbay.com> References: <4738AE04.1030506@cosmosbay.com> <4738B509.9000305@cosmosbay.com> X-Mailer: Mew version 5.2 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Eric Dumazet Date: Mon, 12 Nov 2007 21:18:17 +0100 > 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 ! Yes I like it too. It's in my backlog of things to test on sparc64.