Re: [PATCH] reduce inter-node balancing frequency

From: Jesse Barnes
Date: Fri Jul 16 2004 - 09:44:42 EST


On Friday, July 16, 2004 1:40 am, Martin J. Bligh wrote:
> Arch code. Arch code. Arch code ;-) Or at least base it of nr_cpus or
> numnodes. Seriously ... a 2x or 4x opteron obviously needs different
> parameters from a 16x x440 or a 512x SGI box ... why we have a flexible
> infrastructure that can stand on its head and do backflips, and then
> we don't use it at all is a mystery to me ;-)
>
> I'd even go so far as to suggest there should be NO default settings for
> NUMA, only in arch code - that'd make people actually think about it.
> If there are, they should be based off the topo infrastructure, not static
> values.

Yep, no arguments here. I agree about not having default NUMA settings too,
having them only in arch code would be best. At least until we have a few
NUMA architectures using this stuff, then we can refactor out the common code
if it makes sense later.

Jesse
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