From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754004Ab1GLQGe (ORCPT ); Tue, 12 Jul 2011 12:06:34 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:43185 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753709Ab1GLQGd (ORCPT ); Tue, 12 Jul 2011 12:06:33 -0400 Subject: Re: [slubllv7 06/17] slub: Add cmpxchg_double_slab() From: Eric Dumazet To: Christoph Lameter Cc: Pekka Enberg , David Rientjes , "H. Peter Anvin" , linux-kernel@vger.kernel.org, Thomas Gleixner In-Reply-To: References: <20110601172543.437240675@linux.com> <20110601172615.286693377@linux.com> <1310414100.2860.6.camel@edumazet-laptop> Content-Type: text/plain; charset="UTF-8" Date: Tue, 12 Jul 2011 18:06:21 +0200 Message-ID: <1310486781.2871.19.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le mardi 12 juillet 2011 à 10:59 -0500, Christoph Lameter a écrit : > We do not need to have _count included. This is just there because the > field is in the way on 64 bit and we can only do 2x 64 bit cmpxchges. On > 32 bi we can drop _count from "counters". > OK, thanks for clarification.