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From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [BUG] slub crashes on dma allocations
Date: Thu, 27 May 2010 21:04:40 +0200	[thread overview]
Message-ID: <20100527190440.GA2205@osiris.boeblingen.de.ibm.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1005270916220.5762@router.home>

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!

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  reply	other threads:[~2010-05-27 19:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-26 15:37 Heiko Carstens
2010-05-27 14:17 ` Christoph Lameter
2010-05-27 19:04   ` Heiko Carstens [this message]
2010-05-30 10:05     ` Pekka Enberg
2010-06-01 13:44       ` Christoph Lameter

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