From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zps76.corp.google.com (zps76.corp.google.com [172.25.146.76]) by smtp-out.google.com with ESMTP id m3166Eig025953 for ; Tue, 1 Apr 2008 07:06:14 +0100 Received: from py-out-1112.google.com (pyef47.prod.google.com [10.34.157.47]) by zps76.corp.google.com with ESMTP id m3166CGR008979 for ; Mon, 31 Mar 2008 23:06:13 -0700 Received: by py-out-1112.google.com with SMTP id f47so2151790pye.8 for ; Mon, 31 Mar 2008 23:06:12 -0700 (PDT) Message-ID: <6599ad830803312306l59fabaa0o2f62feb0d59b2ce3@mail.gmail.com> Date: Mon, 31 Mar 2008 23:06:12 -0700 From: "Paul Menage" Subject: Re: [RFC][-mm] Add an owner to the mm_struct (v3) In-Reply-To: <20080401060330.743815A02@siro.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080401054324.829.4517.sendpatchset@localhost.localdomain> <20080401060330.743815A02@siro.lan> Sender: owner-linux-mm@kvack.org Return-Path: To: YAMAMOTO Takashi Cc: balbir@linux.vnet.ibm.com, xemul@openvz.org, hugh@veritas.com, skumar@linux.vnet.ibm.com, lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org, taka@valinux.co.jp, linux-mm@kvack.org, rientjes@google.com, akpm@linux-foundation.org, kamezawa.hiroyu@jp.fujitsu.com List-ID: On Mon, Mar 31, 2008 at 11:03 PM, YAMAMOTO Takashi wrote: > > changing mm->owner without notifying controllers makes it difficult to use. > can you provide a notification mechanism? > Yes, I think that call will need to be in the task_lock() critical section in which we update mm->owner. Right now I think the only user that needs to be notified at that point is Balbir's virtual address limits controller. 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