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Date: Sun, 30 May 2010 13:05:08 +0300
From: Pekka Enberg <penberg@cs.helsinki.fi>
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To: Heiko Carstens <heiko.carstens@de.ibm.com>
CC: Christoph Lameter <cl@linux-foundation.org>, linux-kernel@vger.kernel.org,
       linux-mm@kvack.org
Subject: Re: [BUG] slub crashes on dma allocations
References: <20100526153757.GB2232@osiris.boeblingen.de.ibm.com> <alpine.DEB.2.00.1005270916220.5762@router.home> <20100527190440.GA2205@osiris.boeblingen.de.ibm.com>
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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@linux-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@linux-foundation.org>
> 
> Yes, that fixes the bug. Thanks!

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