From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933082Ab2GBKqs (ORCPT ); Mon, 2 Jul 2012 06:46:48 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:40779 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932931Ab2GBKqr (ORCPT ); Mon, 2 Jul 2012 06:46:47 -0400 X-SecurityPolicyCheck: OK by SHieldMailChecker v1.7.4 Message-ID: <4FF17B86.6090202@jp.fujitsu.com> Date: Mon, 02 Jul 2012 19:44:22 +0900 From: Kamezawa Hiroyuki User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:13.0) Gecko/20120614 Thunderbird/13.0.1 MIME-Version: 1.0 To: Sha Zhengju CC: linux-mm@kvack.org, cgroups@vger.kernel.org, gthelen@google.com, yinghan@google.com, akpm@linux-foundation.org, mhocko@suse.cz, linux-kernel@vger.kernel.org, Sha Zhengju Subject: Re: [PATCH 2/7] memcg: remove MEMCG_NR_FILE_MAPPED References: <1340880885-5427-1-git-send-email-handai.szj@taobao.com> <1340881111-5576-1-git-send-email-handai.szj@taobao.com> In-Reply-To: <1340881111-5576-1-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 (2012/06/28 19:58), Sha Zhengju wrote: > From: Sha Zhengju > > While accounting memcg page stat, it's not worth to use MEMCG_NR_FILE_MAPPED > as an extra layer of indirection because of the complexity and presumed > performance overhead. We can use MEM_CGROUP_STAT_FILE_MAPPED directly. > > Signed-off-by: Sha Zhengju Acked-by: KAMEZAWA Hiroyuki