linux-kernel - Re: [PATCH 13/15] sched: Detect child domain of NUMA (aka NODE) domain

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Date:	Mon, 24 Aug 2009 17:34:18 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andreas Herrmann <andreas.herrmann3@....com>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/15] sched: Detect child domain of NUMA (aka NODE)
 domain

On Thu, 2009-08-20 at 15:43 +0200, Andreas Herrmann wrote:
> On multi-node processors a NUMA node might not span a socket.
> Instead a socket might span several NUMA nodes.
> 
> This patch introduces a check whether NODE domain is parent
> of MC domain and sets s_data.numa_child_level accordingly.
> (See previous patch for further details.)

right, except that the previous patch was rather cryptic :/

So you're proposing to have the NODE level depend on multi-node and then
flip NODE and CPU around?


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