From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756844AbZEGWob (ORCPT ); Thu, 7 May 2009 18:44:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751558AbZEGWoV (ORCPT ); Thu, 7 May 2009 18:44:21 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:53584 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751452AbZEGWoU (ORCPT ); Thu, 7 May 2009 18:44:20 -0400 Date: Thu, 7 May 2009 15:38:24 -0700 From: Andrew Morton To: "Rafael J. Wysocki" Cc: rientjes@google.com, fengguang.wu@intel.com, linux-pm@lists.linux-foundation.org, pavel@ucw.cz, torvalds@linux-foundation.org, jens.axboe@oracle.com, alan-jenkins@tuffmail.co.uk, linux-kernel@vger.kernel.org, kernel-testers@vger.kernel.org Subject: Re: [PATCH 1/5] mm: Add __GFP_NO_OOM_KILL flag Message-Id: <20090507153824.df54658c.akpm@linux-foundation.org> In-Reply-To: <200905080014.49426.rjw@sisk.pl> References: <20090507145041.9b59f4eb.akpm@linux-foundation.org> <200905080014.49426.rjw@sisk.pl> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) 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 On Fri, 8 May 2009 00:14:48 +0200 "Rafael J. Wysocki" wrote: > IOW, you need to freeze the user space totally before trying to disable the > OOM killer. Not necessarily. We only need to take action if a task is about to start oom-killing - presumably by taking a nap. If a process is sitting there happily computing pi then we can leave it running.