Re: Avoid allocating during interleave from almost full nodes

From: Peter Zijlstra
Date: Wed Nov 08 2006 - 12:11:39 EST


On Wed, 2006-11-08 at 09:06 -0800, Paul Jackson wrote:
> Peter wrote:
> > global fault counter
>
> I hope we avoid frequently updated, widely accessed global
> counters. They tend to create hot cache lines on big NUMA
> boxes.
>
> Christoph said that the counters he was suggesting were
> node or cpu local. That sounds good to me.

Very true indeed, I was just hoping we could come up with 1 vm-time; but
perhaps the local vs global thing will keep us from that.


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