From: Andi Kleen <ak@suse.de>
Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg)
To: Mike Travis <travis@sgi.com>
Subject: Re: [PATCH 4/5] x86: Add config variables for SMP_MAX II
Date: Fri, 18 Jan 2008 22:02:43 +0100
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Cc: Ingo Oeser <ioe-lkml@rameria.de>,
       Andrew Morton <akpm@linux-foundation.org>, mingo@elte.hu,
       Christoph Lameter <clameter@sgi.com>, linux-mm@kvack.org,
       linux-kernel@vger.kernel.org
References: <20080118183011.354965000@sgi.com> <479108C3.1010800@sgi.com> <200801182136.15213.ak@suse.de>
In-Reply-To: <200801182136.15213.ak@suse.de>
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> > Here are the top stack consumers with NR_CPUS = 4k.
> > 
> >                          16392 isolated_cpu_setup
> >                          10328 build_sched_domains
> >                           8248 numa_initmem_init
> 
> These should run single threaded early at boot so you can probably just make
> the cpumask_t variables static __initdata


To correct myself: this is not true for build_sched_domains() which can
be triggered from sysfs.

-Andi
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