Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762590AbZDHGRR (ORCPT ); Wed, 8 Apr 2009 02:17:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759817AbZDHGRD (ORCPT ); Wed, 8 Apr 2009 02:17:03 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:60077 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758814AbZDHGRA (ORCPT ); Wed, 8 Apr 2009 02:17:00 -0400 Date: Wed, 8 Apr 2009 15:15:29 +0900 From: KAMEZAWA Hiroyuki To: balbir@linux.vnet.ibm.com Cc: "linux-mm@kvack.org" , Andrew Morton , "lizf@cn.fujitsu.com" , Rik van Riel , Bharata B Rao , Dhaval Giani , KOSAKI Motohiro , "linux-kernel@vger.kernel.org" Subject: Re: [RFI] Shared accounting for memory resource controller Message-Id: <20090408151529.fd6626c2.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20090408052904.GY7082@balbir.in.ibm.com> References: <20090407063722.GQ7082@balbir.in.ibm.com> <20090407160014.8c545c3c.kamezawa.hiroyu@jp.fujitsu.com> <20090407071825.GR7082@balbir.in.ibm.com> <20090407163331.8e577170.kamezawa.hiroyu@jp.fujitsu.com> <20090407080355.GS7082@balbir.in.ibm.com> <20090407172419.a5f318b9.kamezawa.hiroyu@jp.fujitsu.com> <20090408052904.GY7082@balbir.in.ibm.com> Organization: FUJITSU Co. LTD. X-Mailer: Sylpheed 2.5.0 (GTK+ 2.10.14; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 897 Lines: 27 On Wed, 8 Apr 2009 10:59:04 +0530 Balbir Singh wrote: > > no serious intention. > > Just because you wrote "expect the user to account all cached pages as shared" ;) > > > > OK, I noticed another thing, our RSS accounting is not RSS per-se, it > includes only anon RSS, file backed pages are accounted as cached. > I'll send out a patch to see if we can include anon RSS as well. > I think we can't do it in memcg layer without new-hook because file caches are added to radix-tree before mapped. mm struct has anon_rss and file_rss coutners. Then, you can show sum of total maps of file pages. maybe. Thanks, -Kame -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/