From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751389AbWJWFrV (ORCPT ); Mon, 23 Oct 2006 01:47:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751438AbWJWFrV (ORCPT ); Mon, 23 Oct 2006 01:47:21 -0400 Received: from mga06.intel.com ([134.134.136.21]:31139 "EHLO orsmga101.jf.intel.com") by vger.kernel.org with ESMTP id S1751389AbWJWFrU (ORCPT ); Mon, 23 Oct 2006 01:47:20 -0400 X-ExtLoop1: 1 X-IronPort-AV: i="4.09,341,1157353200"; d="scan'208"; a="149069236:sNHT19947473" Date: Sun, 22 Oct 2006 22:26:52 -0700 From: "Siddha, Suresh B" To: Paul Jackson Cc: Martin Bligh , nickpiggin@yahoo.com.au, akpm@osdl.org, menage@google.com, Simon.Derr@bull.net, linux-kernel@vger.kernel.org, dino@in.ibm.com, rohitseth@google.com, holt@sgi.com, dipankar@in.ibm.com, suresh.b.siddha@intel.com Subject: Re: [RFC] cpuset: remove sched domain hooks from cpusets Message-ID: <20061022222652.B2526@unix-os.sc.intel.com> References: <20061019092358.17547.51425.sendpatchset@sam.engr.sgi.com> <4537527B.5050401@yahoo.com.au> <20061019120358.6d302ae9.pj@sgi.com> <4537D056.9080108@yahoo.com.au> <4537D6E8.8020501@google.com> <20061022035135.2c450147.pj@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20061022035135.2c450147.pj@sgi.com>; from pj@sgi.com on Sun, Oct 22, 2006 at 03:51:35AM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Oct 22, 2006 at 03:51:35AM -0700, Paul Jackson wrote: > Martin wrote: > > We (Google) are planning to use it to do some partitioning, albeit on > > much smaller machines. I'd really like to NOT use cpus_allowed from > > previous experience - if we can get it to to partition using separated > > sched domains, that would be much better. > > Why not use cpus_allowed for this, via cpusets and/or sched_setaffinity? group of pinned tasks can completely skew the system load balancing..