From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id A33C56008DF for ; Tue, 24 Aug 2010 04:04:41 -0400 (EDT) Received: from m6.gw.fujitsu.co.jp ([10.0.50.76]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o7O84dQ6013118 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Tue, 24 Aug 2010 17:04:39 +0900 Received: from smail (m6 [127.0.0.1]) by outgoing.m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 31ADD45DE50 for ; Tue, 24 Aug 2010 17:04:39 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (s6.gw.fujitsu.co.jp [10.0.50.96]) by m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 197FD45DE4E for ; Tue, 24 Aug 2010 17:04:39 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id F37061DB8015 for ; Tue, 24 Aug 2010 17:04:38 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.249.87.103]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id AB5BF1DB8013 for ; Tue, 24 Aug 2010 17:04:38 +0900 (JST) Date: Tue, 24 Aug 2010 16:59:26 +0900 From: KAMEZAWA Hiroyuki 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> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org 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 List-ID: 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, 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