Re: [PATCH 0/12] cleanup __build_sched_domains()
From: Ingo Molnar
Date: Tue Aug 18 2009 - 07:17:02 EST
* Andreas Herrmann <andreas.herrmann3@xxxxxxx> wrote:
> Hi,
>
> Following patches try to make __build_sched_domains() less ugly
> and more readable. They shouldn't be harmful. Thus I think they
> can be applied for .32.
>
> Patches are against tip/master as of today.
>
> FYI, I need those patches as a base for introducing a new domain
> level for multi-node CPUs for which I intend to sent patches as
> RFC asap.
Very nice cleanups!
Magny-Cours indeed will need one more sched-domains level,
something like:
[smt thread]
core
internal numa node
cpu socket
external numa node
... which is certainly interesting, especially since the hierarchy
possibly 'crosses', i.e. we might have the two internal numa nodes
share a L2 or L3 cache, right?
I'd also not be surprised if the load-balancer needed some care to
properly handle such a setup.
It's all welcome work in any case, and for .32.
Ingo
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