Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755553AbZA0LXS (ORCPT ); Tue, 27 Jan 2009 06:23:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752625AbZA0LXA (ORCPT ); Tue, 27 Jan 2009 06:23:00 -0500 Received: from smtp-out.google.com ([216.239.33.17]:9940 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752582AbZA0LW7 (ORCPT ); Tue, 27 Jan 2009 06:22:59 -0500 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=date:from:x-x-sender:to:cc:subject:in-reply-to:message-id: references:user-agent:mime-version:content-type:x-gmailtapped-by:x-gmailtapped; b=C7QK6bD5vfaG8qMaz0eJF+LllzcGjKPe4RqaM+d/G/xiE584UV5CQ6dxrsEDOyMh/ wulM5rcxiRCTx9WigoRsw== Date: Tue, 27 Jan 2009 03:21:26 -0800 (PST) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Nikanth Karthikesan cc: Evgeniy Polyakov , Andrew Morton , Alan Cox , linux-kernel@vger.kernel.org, Linus Torvalds , Chris Snook , =?UTF-8?Q?Arve_Hj=C3=B8nnev=C3=A5g?= , Paul Menage , containers@lists.linux-foundation.org, Balbir Singh , KOSAKI Motohiro Subject: Re: [RFC] [PATCH] Cgroup based OOM killer controller In-Reply-To: <200901271638.21720.knikanth@suse.de> Message-ID: References: <200901211638.23101.knikanth@suse.de> <200901271550.16902.knikanth@suse.de> <200901271638.21720.knikanth@suse.de> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-GMailtapped-By: 172.24.198.85 X-GMailtapped: rientjes Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 857 Lines: 18 On Tue, 27 Jan 2009, Nikanth Karthikesan wrote: > > I don't understand what you're arguing for here. Are you suggesting that > > we should not prefer tasks that intersect the set of allowable nodes? > > That makes no sense if the goal is to allow for future memory freeing. > > > > No. Actually I am just wondering, will it be possible to check whether a > particular task has memory allocated or mmaped from this node to avoid killing > an innocent task. That's certainly idealistic, but cannot be done in an inexpensive way that would scale with the large systems that clients of cpusets typically use. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/