From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx102.postini.com [74.125.245.102]) by kanga.kvack.org (Postfix) with SMTP id 0D90D6B0074 for ; Sat, 7 Jul 2012 09:49:08 -0400 (EDT) Date: Sat, 7 Jul 2012 21:48:56 +0800 From: Fengguang Wu Subject: Re: [PATCH 2/7] memcg: remove MEMCG_NR_FILE_MAPPED Message-ID: <20120707134856.GB23648@localhost> 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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1340881111-5576-1-git-send-email-handai.szj@taobao.com> Sender: owner-linux-mm@kvack.org List-ID: To: Sha Zhengju Cc: linux-mm@kvack.org, cgroups@vger.kernel.org, kamezawa.hiroyu@jp.fujitsu.com, gthelen@google.com, yinghan@google.com, akpm@linux-foundation.org, mhocko@suse.cz, linux-kernel@vger.kernel.org, Sha Zhengju On Thu, Jun 28, 2012 at 06:58:31PM +0800, 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 > --- > include/linux/memcontrol.h | 25 +++++++++++++++++-------- > mm/memcontrol.c | 24 +----------------------- > mm/rmap.c | 4 ++-- > 3 files changed, 20 insertions(+), 33 deletions(-) Nice cleanup! Acked-by: Fengguang Wu -- 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