From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id A12A56B0047 for ; Thu, 11 Feb 2010 18:57:05 -0500 (EST) Received: from m1.gw.fujitsu.co.jp ([10.0.50.71]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o1BNv30Z005506 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Fri, 12 Feb 2010 08:57:03 +0900 Received: from smail (m1 [127.0.0.1]) by outgoing.m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 4C94945DE51 for ; Fri, 12 Feb 2010 08:57:03 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.fujitsu.co.jp [10.0.50.91]) by m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 2ADA345DE4D for ; Fri, 12 Feb 2010 08:57:03 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 0DEEDE38002 for ; Fri, 12 Feb 2010 08:57:03 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.249.87.107]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id B16151DB803A for ; Fri, 12 Feb 2010 08:57:02 +0900 (JST) Date: Fri, 12 Feb 2010 08:52:59 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [patch 1/7 -mm] oom: filter tasks not sharing the same cpuset Message-Id: <20100212085259.c9a19c31.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: David Rientjes Cc: Andrew Morton , Rik van Riel , Nick Piggin , Andrea Arcangeli , Balbir Singh , Lubos Lunak , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Wed, 10 Feb 2010 08:32:08 -0800 (PST) David Rientjes wrote: > Tasks that do not share the same set of allowed nodes with the task that > triggered the oom should not be considered as candidates for oom kill. > > Tasks in other cpusets with a disjoint set of mems would be unfairly > penalized otherwise because of oom conditions elsewhere; an extreme > example could unfairly kill all other applications on the system if a > single task in a user's cpuset sets itself to OOM_DISABLE and then uses > more memory than allowed. > > Killing tasks outside of current's cpuset rarely would free memory for > current anyway. > > Signed-off-by: David Rientjes Reviewed-by: KAMEZAWA Hiroyuki -- 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