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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx130.postini.com [74.125.245.130]) by kanga.kvack.org (Postfix) with SMTP id BF82E6B0068 for ; Mon, 2 Jul 2012 06:46:47 -0400 (EDT) Received: from m4.gw.fujitsu.co.jp (unknown [10.0.50.74]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id CAEDF3EE0AE for ; Mon, 2 Jul 2012 19:46:45 +0900 (JST) Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id B032345DE53 for ; Mon, 2 Jul 2012 19:46:45 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 962AA45DE51 for ; Mon, 2 Jul 2012 19:46:45 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 860C81DB802F for ; Mon, 2 Jul 2012 19:46:45 +0900 (JST) Received: from m1001.s.css.fujitsu.com (m1001.s.css.fujitsu.com [10.240.81.139]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 3D5791DB803F for ; Mon, 2 Jul 2012 19:46:45 +0900 (JST) Message-ID: <4FF17B86.6090202@jp.fujitsu.com> Date: Mon, 02 Jul 2012 19:44:22 +0900 From: Kamezawa Hiroyuki MIME-Version: 1.0 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: owner-linux-mm@kvack.org List-ID: 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 (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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kamezawa Hiroyuki Subject: Re: [PATCH 2/7] memcg: remove MEMCG_NR_FILE_MAPPED Date: Mon, 02 Jul 2012 19:44:22 +0900 Message-ID: <4FF17B86.6090202@jp.fujitsu.com> References: <1340880885-5427-1-git-send-email-handai.szj@taobao.com> <1340881111-5576-1-git-send-email-handai.szj@taobao.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1340881111-5576-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Sha Zhengju Cc: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, gthelen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, yinghan-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, mhocko-AlSwsSmVLrQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Sha Zhengju (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