From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755479AbYDUKZY (ORCPT ); Mon, 21 Apr 2008 06:25:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753815AbYDUKZL (ORCPT ); Mon, 21 Apr 2008 06:25:11 -0400 Received: from e28smtp01.in.ibm.com ([59.145.155.1]:45630 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751470AbYDUKZJ (ORCPT ); Mon, 21 Apr 2008 06:25:09 -0400 Message-ID: <480C6AA1.5000607@linux.vnet.ibm.com> Date: Mon, 21 Apr 2008 15:51:21 +0530 From: Balbir Singh Reply-To: balbir@linux.vnet.ibm.com Organization: IBM User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: Peter Zijlstra CC: Andrew Morton , KAMEZAWA Hiroyuki , hugh@veritas.com, menage@google.com, xemul@openvz.org, shiwh@cn.fujitsu.com, mel@csn.ul.ie, linux-kernel@vger.kernel.org Subject: Re: -mm merge plans for 2.6.26 (memcgroup) References: <20080420072053.6bcb7884.akpm@linux-foundation.org> <20080421093059.57a61bc3.kamezawa.hiroyu@jp.fujitsu.com> <20080420232427.1b399104.akpm@linux-foundation.org> <480C347C.6060702@linux.vnet.ibm.com> <20080421064725.GA32214@balbir.in.ibm.com> <1208770925.7115.167.camel@twins> In-Reply-To: <1208770925.7115.167.camel@twins> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> This would enable the memory controller by default, it can be disabled >> using cgroup_disable=memory at boot time. > > how about working on a runtime switch that only enables the whole > memcgroup machinery when an actual cgroup gets created - and disable it > again once the last cgroup goes. > Sounds like an interesting option to explore. I'll explore that a bit more. -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL