Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757732AbZFKSlp (ORCPT ); Thu, 11 Jun 2009 14:41:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754564AbZFKSli (ORCPT ); Thu, 11 Jun 2009 14:41:38 -0400 Received: from xc.sipsolutions.net ([83.246.72.84]:37719 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751093AbZFKSlh (ORCPT ); Thu, 11 Jun 2009 14:41:37 -0400 Subject: Re: [Bug #13319] Page allocation failures with b43 and p54usb From: Johannes Berg To: Pekka Enberg Cc: Christoph Lameter , Larry Finger , David Rientjes , Mel Gorman , Rik van Riel , "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Andrew Morton , KOSAKI Motohiro , KAMEZAWA Hiroyuki , npiggin@suse.de, yanmin.zhang@linux.intel.com In-Reply-To: <1244732992.17483.54.camel@penberg-laptop> References: <4A2BBC30.2030300@lwfinger.net> <84144f020906070640rf5ab14nbf66d3ca7c97675f@mail.gmail.com> <4A2BCC6F.8090004@redhat.com> <84144f020906070732l31786156r5d9753a0cabfde79@mail.gmail.com> <20090608101739.GA15377@csn.ul.ie> <84144f020906080352k57f12ff9pbd696da5f332ac1a@mail.gmail.com> <20090608110303.GD15377@csn.ul.ie> <20090608141212.GE15070@csn.ul.ie> <1244531201.5024.3.camel@penberg-laptop> <1244534315.5024.34.camel@penberg-laptop> <1244536124.5024.41.camel@penberg-laptop> <4A2FC62C.6030407@lwfinger.net> <1244648659.23799.26.camel@penberg-laptop> <1244732992.17483.54.camel@penberg-laptop> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-/FkWK6hML7XJpZj+OvK6" Date: Thu, 11 Jun 2009 20:41:36 +0200 Message-Id: <1244745696.29447.0.camel@johannes.local> Mime-Version: 1.0 X-Mailer: Evolution 2.26.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2198 Lines: 53 --=-/FkWK6hML7XJpZj+OvK6 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2009-06-11 at 18:09 +0300, Pekka Enberg wrote: > On Wed, 10 Jun 2009, Pekka Enberg wrote: > > > Aha, SLUB thinks the minimum order for 4096 is 1. I guess you have > > > CONFIG_SLUB_DEBUG enabled? If yes, something like to following should > > > help. Christoph, are you okay with this patch? >=20 > On Thu, 2009-06-11 at 10:41 -0400, Christoph Lameter wrote: > > He likely has CONFIG_SLUB_DEBUG_ON set which enables debugging and thus > > needs more than the payload for metadata. >=20 > Yup. I suspect a lot of people who are doing _testing_ enable that. If > you're unhappy with my patch (the get_order one which shouldn't affect > that many caches anyway), any suggestions how to fix this up? It seems > that the wireless stack at least does quite a few kmalloc(4096) > allocations. I think networking rounds up allocations, but it's not wireless per se. johannes --=-/FkWK6hML7XJpZj+OvK6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJKMU/cAAoJEODzc/N7+QmaoRQP/2YeIoVKdIfBRZAZf3Ujq23j TV9AUxUXVfP4weCeveuFbCJMUG2NspBTOLfHzXHh0b+5RXwM6Kf1hG/5e9Z8nyPv f7t3DMnTiIjmnPr9zvffGlp0FAvlJePe0sgrlCV4DMyxEWgwZ31T8p5reYxGRAYd tQt9Cdeea6grFtbaXAKgYR81xgNSLvRM2CVji9qt4IGorwc+iThxwvUgmF8iNCZg J1ml9LHq6SYE//5at1GbpBcMgD3plJhLCIKRta+Do/be0+L+rhKEe9DB/YW34jgr sYg2/Zw74D8SVP/Dv7LYc4f4TeyfSRfIb4DfvDqTHyI3g7lT5FemmlRjfF123+HJ c6E3eRIC/8RkOudXJfYfL8xx3Rnmm9fXTZjVyO3ohdgDgvAlutDcBWWG/xVd7lyn JEH452bp8m/gRpd4WrGB9OouGUWpVkxKT/UJvbWyB+wDVDzlQxxsYcDkyWh2cQGD zDhLOFya5DvV6B3avZT0TxkfO2CtPElpVWEJirwwXnwGWaIF3mYszudzimGt3toi GqXDcmlxuyoTrpvBhri/U/fHWXh7vjMirgyRSos2JqkROXKjLGknxhcbjZA0wS8D auETghTc5Wv/BJGmO1UKeyinw1JPtnd4ciMSq8FHnlq/qcOewXNs0JMZuKQ2KoHX oOYpDEkH19RPmzmrFILO =haI9 -----END PGP SIGNATURE----- --=-/FkWK6hML7XJpZj+OvK6-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/