Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756144Ab0FCHvG (ORCPT ); Thu, 3 Jun 2010 03:51:06 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:59251 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751911Ab0FCHvD convert rfc822-to-8bit (ORCPT ); Thu, 3 Jun 2010 03:51:03 -0400 Subject: Re: [RFC] oom-kill: give the dying task a higher priority From: Peter Zijlstra To: David Rientjes Cc: KOSAKI Motohiro , "Luis Claudio R. Goncalves" , KAMEZAWA Hiroyuki , Minchan Kim , balbir@linux.vnet.ibm.com, Oleg Nesterov , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Thomas Gleixner , Mel Gorman , williams@redhat.com In-Reply-To: References: <20100601173535.GD23428@uudg.org> <20100602220429.F51E.A69D9226@jp.fujitsu.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Thu, 03 Jun 2010 09:50:49 +0200 Message-ID: <1275551449.27810.34905.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 585 Lines: 12 On Wed, 2010-06-02 at 14:11 -0700, David Rientjes wrote: > > And that can reduce the runtime of the thread holding a writelock on > mm->mmap_sem, making the exit actually take longer than without the patch > if its priority is significantly higher, especially on smaller machines. /me smells an inversion... on -rt we solved those ;-) -- 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/