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Re: [RFC PATCH] sched/numa: do load balance between remote nodes

from [Peter Zijlstra] [Permanent Link][Original]
To: Alex Shi <alex.shi@intel.com>
Subject: Re: [RFC PATCH] sched/numa: do load balance between remote nodes
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 06 Jun 2012 11:01:35 +0200
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
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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.

So I've taken this.

thanks!
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