From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with ESMTP id 0385F6B01B2 for ; Thu, 27 May 2010 15:03:44 -0400 (EDT) Received: from d06nrmr1707.portsmouth.uk.ibm.com (d06nrmr1707.portsmouth.uk.ibm.com [9.149.39.225]) by mtagate5.uk.ibm.com (8.13.1/8.13.1) with ESMTP id o4RJ3eqH002183 for ; Thu, 27 May 2010 19:03:40 GMT Received: from d06av01.portsmouth.uk.ibm.com (d06av01.portsmouth.uk.ibm.com [9.149.37.212]) by d06nrmr1707.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o4RJ3d3e1216742 for ; Thu, 27 May 2010 20:03:40 +0100 Received: from d06av01.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av01.portsmouth.uk.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id o4RJ3dqt026367 for ; Thu, 27 May 2010 20:03:39 +0100 Date: Thu, 27 May 2010 21:04:40 +0200 From: Heiko Carstens Subject: Re: [BUG] slub crashes on dma allocations Message-ID: <20100527190440.GA2205@osiris.boeblingen.de.ibm.com> References: <20100526153757.GB2232@osiris.boeblingen.de.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org To: Christoph Lameter Cc: Pekka Enberg , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: 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! -- 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