From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id 78CC06B01BD for ; Sun, 30 May 2010 06:05:15 -0400 (EDT) Message-ID: <4C023854.3090002@cs.helsinki.fi> Date: Sun, 30 May 2010 13:05:08 +0300 From: Pekka Enberg MIME-Version: 1.0 Subject: Re: [BUG] slub crashes on dma allocations References: <20100526153757.GB2232@osiris.boeblingen.de.ibm.com> <20100527190440.GA2205@osiris.boeblingen.de.ibm.com> In-Reply-To: <20100527190440.GA2205@osiris.boeblingen.de.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Heiko Carstens Cc: Christoph Lameter , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: 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 >> 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 > > Yes, that fixes the bug. Thanks! We need this for .33 and .34 stable, right? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org