From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753964Ab0CYM4S (ORCPT ); Thu, 25 Mar 2010 08:56:18 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:63052 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752817Ab0CYM4R (ORCPT ); Thu, 25 Mar 2010 08:56:17 -0400 Message-ID: <4BAB5D7F.5010401@cn.fujitsu.com> Date: Thu, 25 Mar 2010 20:56:31 +0800 From: Miao Xie Reply-To: miaox@cn.fujitsu.com User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: Nick Piggin , David Rientjes , Lee Schermerhorn , Paul Menage , Andrew Morton CC: Linux-Kernel , Linux-MM Subject: Re: [PATCH V2 4/4] cpuset,mm: update task's mems_allowed lazily References: <4B94CD2D.8070401@cn.fujitsu.com> <4B95F802.9020308@cn.fujitsu.com> <20100311081548.GJ5812@laptop> <4B98C6DE.3060602@cn.fujitsu.com> <20100311110317.GL5812@laptop> <4BAB39B9.7080600@cn.fujitsu.com> In-Reply-To: <4BAB39B9.7080600@cn.fujitsu.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org on 2010-3-25 18:23, Miao Xie wrote: > on 2010-3-11 19:03, Nick Piggin wrote: >> Well... I do think seqlocks would be a bit simpler because they don't >> require this checking and synchronizing of this patch. > > Hi, Nick Piggin > > I have made a new patch which uses seqlock to protect mems_allowed and mempolicy. > please review it. > > title: [PATCH -mmotm] cpuset,mm: use seqlock to protect task->mempolicy and mems_allowed > Sorry! Please ignore this patch, because I sent an old version. I'll send the new one later. Regards! Miao