From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756060Ab3BERIv (ORCPT ); Tue, 5 Feb 2013 12:08:51 -0500 Received: from multi.imgtec.com ([194.200.65.239]:8577 "EHLO multi.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755246Ab3BERIt (ORCPT ); Tue, 5 Feb 2013 12:08:49 -0500 Message-ID: <51113C8A.2060908@imgtec.com> Date: Tue, 5 Feb 2013 17:08:26 +0000 From: James Hogan User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Christoph Lameter CC: Stephen Warren , linux-next , linux-kernel , Pekka Enberg , Matt Mackall , Subject: Re: next-20130204 - bisected slab problem to "slab: Common constants for kmalloc boundaries" References: <510FE051.7080107@imgtec.com> <51100E79.9080101@wwwdotorg.org> <0000013cab3780f7-5e49ef46-e41a-4ff2-88f8-46bf216d677e-000000@email.amazonses.com> In-Reply-To: <0000013cab3780f7-5e49ef46-e41a-4ff2-88f8-46bf216d677e-000000@email.amazonses.com> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [192.168.154.65] X-SEF-Processed: 7_3_0_01181__2013_02_05_17_08_27 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/02/13 16:36, Christoph Lameter wrote: > OK I was able to reproduce it by setting ARCH_DMA_MINALIGN in slab.h. This > patch fixes it here: > > > Subject: slab: Handle ARCH_DMA_MINALIGN correctly > > A fixed KMALLOC_SHIFT_LOW does not work for arches with higher alignment > requirements. > > Determine KMALLOC_SHIFT_LOW from ARCH_DMA_MINALIGN instead. > > Signed-off-by: Christoph Lameter Thanks, your patch fixes it for me. Cheers James