Re: [RFC PATCH] sched/numa: do load balance between remote nodes
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- To: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
- Subject: Re: [RFC PATCH] sched/numa: do load balance between remote nodes
- From: Alex Shi <alex.shi@xxxxxxxxx>
- Date: Thu, 07 Jun 2012 08:33:28 +0800
- Cc: anton@xxxxxxxxx, benh@xxxxxxxxxxxxxxxxxxx, cmetcalf@xxxxxxxxxx, dhowells@xxxxxxxxxx, davem@xxxxxxxxxxxxx, fenghua.yu@xxxxxxxxx, hpa@xxxxxxxxx, ink@xxxxxxxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, mattst88@xxxxxxxxx, paulus@xxxxxxxxx, lethal@xxxxxxxxxxxx, ralf@xxxxxxxxxxxxxx, rth@xxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, tony.luck@xxxxxxxxx, x86@xxxxxxxxxx, sivanich@xxxxxxx, greg.pearson@xxxxxx, kamezawa.hiroyu@xxxxxxxxxxxxxx, bob.picco@xxxxxxxxxx, chris.mason@xxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, mingo@xxxxxxxxxx, pjt@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, seto.hidetoshi@xxxxxxxxxxxxxx, ak@xxxxxxxxxxxxxxx, arjan.van.de.ven@xxxxxxxxx
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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!
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