linux-kernel - Re: [BUG] slub crashes on dma allocations

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Message-ID: <4C023854.3090002@cs.helsinki.fi>
Date:	Sun, 30 May 2010 13:05:08 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
CC:	Christoph Lameter <cl@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [BUG] slub crashes on dma allocations

Heiko Carstens wrote:
> On Thu, May 27, 2010 at 09:17:17AM -0500, Christoph Lameter wrote:
>> So S390 has NUMA and the minalign is allowing very small slabs of 8/16/32 bytes?
> 
> No NUMA, but minalign is 8.
> 
>> Try this patch
>>
>> From: Christoph Lameter <cl@...ux-foundation.org>
>> Subject: SLUB: Allow full duplication of kmalloc array for 390
>>
>> Seems that S390 is running out of kmalloc caches.
>>
>> Increase the number of kmalloc caches to a safe size.
>>
>> Signed-off-by: Christoph Lameter <cl@...ux-foundation.org>
> 
> Yes, that fixes the bug. Thanks!

We need this for .33 and .34 stable, right?
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