From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by ozlabs.org (Postfix) with ESMTP id E0FF8B6FB4 for ; Thu, 7 Jun 2012 10:35:24 +1000 (EST) Message-ID: <4FCFF6D8.70507@intel.com> Date: Thu, 07 Jun 2012 08:33:28 +0800 From: Alex Shi MIME-Version: 1.0 To: Peter Zijlstra 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 Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, dhowells@redhat.com, paulus@samba.org, hpa@zytor.com, sparclinux@vger.kernel.org, mingo@kernel.org, sivanich@sgi.com, x86@kernel.org, greg.pearson@hp.com, chris.mason@oracle.com, arjan.van.de.ven@intel.com, mattst88@gmail.com, pjt@google.com, fenghua.yu@intel.com, seto.hidetoshi@jp.fujitsu.com, cmetcalf@tilera.com, ak@linux.intel.com, ink@jurassic.park.msu.ru, anton@samba.org, tglx@linutronix.de, kamezawa.hiroyu@jp.fujitsu.com, rth@twiddle.net, tony.luck@intel.com, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, ralf@linux-mips.org, lethal@linux-sh.org, linux-alpha@vger.kernel.org, bob.picco@oracle.com, akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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!