From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1754133Ab2FGAf0 (ORCPT <rfc822;w@1wt.eu>);
	Wed, 6 Jun 2012 20:35:26 -0400
Received: from mga11.intel.com ([192.55.52.93]:3077 "EHLO mga11.intel.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1751932Ab2FGAfX (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Wed, 6 Jun 2012 20:35:23 -0400
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; 
   d="scan'208";a="175750030"
Message-ID: <4FCFF6D8.70507@intel.com>
Date: Thu, 07 Jun 2012 08:33:28 +0800
From: Alex Shi <alex.shi@intel.com>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111229 Thunderbird/9.0
MIME-Version: 1.0
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
CC: anton@samba.org, benh@kernel.crashing.org, cmetcalf@tilera.com,
        dhowells@redhat.com, davem@davemloft.net, fenghua.yu@intel.com,
        hpa@zytor.com, ink@jurassic.park.msu.ru, linux-alpha@vger.kernel.org,
        linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org,
        linux-sh@vger.kernel.org, mattst88@gmail.com, paulus@samba.org,
        lethal@linux-sh.org, ralf@linux-mips.org, rth@twiddle.net,
        sparclinux@vger.kernel.org, tony.luck@intel.com, x86@kernel.org,
        sivanich@sgi.com, greg.pearson@hp.com, kamezawa.hiroyu@jp.fujitsu.com,
        bob.picco@oracle.com, chris.mason@oracle.com,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        mingo@kernel.org, pjt@google.com, tglx@linutronix.de,
        seto.hidetoshi@jp.fujitsu.com, ak@linux.intel.com,
        arjan.van.de.ven@intel.com
Subject: Re: [RFC PATCH] sched/numa: do load balance between remote nodes
References: <1338965571-9812-1-git-send-email-alex.shi@intel.com> <1338973295.2749.81.camel@twins>
In-Reply-To: <1338973295.2749.81.camel@twins>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 06/06/2012 05:01 PM, Peter Zijlstra wrote:

> On Wed, 2012-06-06 at 14:52 +0800, Alex Shi wrote:
>> -       if (sched_domains_numa_distance[level] > REMOTE_DISTANCE)
>> +       if (sched_domains_numa_distance[level] > RECLAIM_DISTANCE) 
> 
> I actually considered this.. I just felt a little uneasy re-purposing
> the RECLAIM_DISTANCE for this, but I guess its all the same anyway. Both
> mean expensive-away-distance.
> 


I understand you, the BIOS guys don't have a good alignment with us on
this.

> So I've taken this.
> 
> thanks!