From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zps75.corp.google.com (zps75.corp.google.com [172.25.146.75]) by smtp-out.google.com with ESMTP id m1KA6s06012710 for ; Wed, 20 Feb 2008 02:06:54 -0800 Received: from py-out-1112.google.com (pyia29.prod.google.com [10.34.253.29]) by zps75.corp.google.com with ESMTP id m1KA6rNg031478 for ; Wed, 20 Feb 2008 02:06:54 -0800 Received: by py-out-1112.google.com with SMTP id a29so2606723pyi.0 for ; Wed, 20 Feb 2008 02:06:53 -0800 (PST) Message-ID: <6599ad830802200206w23955c9cn26bf768e790a6161@mail.gmail.com> Date: Wed, 20 Feb 2008 02:06:53 -0800 From: "Paul Menage" Subject: Re: [RFC][PATCH] Clarify mem_cgroup lock handling and avoid races. In-Reply-To: <20080220.185821.61784723.taka@valinux.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080219215431.1aa9fa8a.kamezawa.hiroyu@jp.fujitsu.com> <47BBC15E.5070405@linux.vnet.ibm.com> <20080220.185821.61784723.taka@valinux.co.jp> Sender: owner-linux-mm@kvack.org Return-Path: To: Hirokazu Takahashi Cc: balbir@linux.vnet.ibm.com, hugh@veritas.com, kamezawa.hiroyu@jp.fujitsu.com, linux-mm@kvack.org, yamamoto@valinux.co.jp, riel@redhat.com List-ID: On Feb 20, 2008 1:58 AM, Hirokazu Takahashi wrote: > > > > 1. Have a boot option to turn on/off the memory controller > > It will be much convenient if the memory controller can be turned on/off on > demand. I think you can turn it off if there aren't any mem_cgroups except > the root mem_cgroup, Or possibly turned on when the memory controller is bound to a non-default hierarchy, and off when it's unbound? Paul -- 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