Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751847Ab0HXIEp (ORCPT ); Tue, 24 Aug 2010 04:04:45 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:38777 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750769Ab0HXIEl (ORCPT ); Tue, 24 Aug 2010 04:04:41 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 Date: Tue, 24 Aug 2010 16:59:26 +0900 From: KAMEZAWA Hiroyuki To: balbir@linux.vnet.ibm.com Cc: linux-mm@kvack.org, "nishimura@mxp.nes.nec.co.jp" , gthelen@google.com, m-ikeda@ds.jp.nec.com, "akpm@linux-foundation.org" , "linux-kernel@vger.kernel.org" , kamezawa.hiroyuki@gmail.com Subject: Re: [PATCH] memcg: towards I/O aware memcg v5 Message-Id: <20100824165926.3d069341.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20100824074617.GI4684@balbir.in.ibm.com> References: <20100820185552.426ff12e.kamezawa.hiroyu@jp.fujitsu.com> <20100824074617.GI4684@balbir.in.ibm.com> Organization: FUJITSU Co. LTD. X-Mailer: Sylpheed 3.0.3 (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: 1271 Lines: 37 On Tue, 24 Aug 2010 13:16:17 +0530 Balbir Singh wrote: > * KAMEZAWA Hiroyuki [2010-08-20 18:55:52]: > > > This is v5. > > > > Sorry for delaying...but I had time for resetting myself and..several > > changes are added. I think this version is simpler than v4. > > > > Major changes from v4 is > > a) added kernel/cgroup.c hooks again. (for b) > > b) make RCU aware. previous version seems dangerous in an extreme case. > > > > Then, codes are updated. Most of changes are related to RCU. > > > > Patch brief view: > > 1. add hooks to kernel/cgroup.c for ID management. > > 2. use ID-array in memcg. > > 3. record ID to page_cgroup rather than pointer. > > 4. make update_file_mapped to be RCU aware routine instead of spinlock. > > 5. make update_file_mapped as general-purpose function. > > > > Thanks for being persistent, will review the patches with comments in > the relevant patches. > Thank you. I may be able to post v6, tomorrow. -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/