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Date: Tue, 15 Apr 2008 23:23:01 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Christoph Lameter <clameter@sgi.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
       Pekka Enberg <penberg@cs.helsinki.fi>, linux-kernel@vger.kernel.org,
       Mel Gorman <mel@csn.ul.ie>, Nick Piggin <npiggin@suse.de>,
       Andrew Morton <akpm@linux-foundation.org>,
       "Rafael J. Wysocki" <rjw@sisk.pl>, Yinghai.Lu@sun.com, apw@shadowen.org,
       travis@sgi.com, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [bug] SLUB + mm/slab.c boot crash in -rc9
Message-ID: <20080415212301.GA5428@elte.hu>
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* Christoph Lameter <clameter@sgi.com> wrote:

> On Tue, 15 Apr 2008, Ingo Molnar wrote:
> 
> > what's the best way to artificially increase the size of the allocated 
> > per cpu area? (say double it)
> 
> Add a big  per cpu declaration?
> 
> static DEFINE_PER_CPU(char, dummy)[10000];

what's the guarantee that it's at the end of the section? I'd like to 
pad the per cpu areas at their end. (doubling their size is a good way 
to achieve that)

	Ingo