From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752795Ab2L1Aw6 (ORCPT ); Thu, 27 Dec 2012 19:52:58 -0500 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:54407 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751288Ab2L1Aw4 (ORCPT ); Thu, 27 Dec 2012 19:52:56 -0500 X-SecurityPolicyCheck: OK by SHieldMailChecker v1.8.4 Message-ID: <50DCED47.6030103@jp.fujitsu.com> Date: Fri, 28 Dec 2012 09:52:23 +0900 From: Kamezawa Hiroyuki User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Sha Zhengju CC: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.cz, akpm@linux-foundation.org, gthelen@google.com, fengguang.wu@intel.com, glommer@parallels.com, Sha Zhengju Subject: Re: [PATCH V3 5/8] memcg: add per cgroup writeback pages accounting References: <1356455919-14445-1-git-send-email-handai.szj@taobao.com> <1356456409-14701-1-git-send-email-handai.szj@taobao.com> In-Reply-To: <1356456409-14701-1-git-send-email-handai.szj@taobao.com> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (2012/12/26 2:26), Sha Zhengju wrote: > From: Sha Zhengju > > Similar to dirty page, we add per cgroup writeback pages accounting. The lock > rule still is: > mem_cgroup_begin_update_page_stat() > modify page WRITEBACK stat > mem_cgroup_update_page_stat() > mem_cgroup_end_update_page_stat() > > There're two writeback interface to modify: test_clear/set_page_writeback. > > Signed-off-by: Sha Zhengju Acked-by: KAMEZAWA Hiroyuki