From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Lameter <cl@linux.com>
Subject: Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
Date: Mon, 21 Nov 2011 15:43:10 -0600 (CST)
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Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Markus Trippelsdorf <markus@trippelsdorf.de>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	"Alex,Shi" <alex.shi@intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Matt Mackall <mpm@selenic.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Tejun Heo <tj@kernel.org>,
	Christian Kujau <lists@nerdbynature.de>
To: Pekka Enberg <penberg@kernel.org>
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On Mon, 21 Nov 2011, Pekka Enberg wrote:

> Does CONFIG_SLAB make all the issues go away or are you still able to
> reproduce corruption with it? I'm asking because we have the per-cpu
> partial list patches in 3.2-rc1 and I'd like to rule them out as a
> suspect.

SLAB does not have the same capabilities to detect corruption.

You can disable most the cpu partial functionality by setting

	/sys/kernel/slab/*/cpu_partial

to 0