From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Tso Subject: Re: [Bug #14620] WARNING: at mm/page_alloc.c:1805 __alloc_pages_nodemask Date: Mon, 16 Nov 2009 21:43:18 -0500 Message-ID: <20091117024318.GC23066@mit.edu> References: Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: "Rafael J. Wysocki" Cc: Linux Kernel Mailing List , Kernel Testers List , =?iso-8859-1?Q?Rog=E9rio?= Brito On Mon, Nov 16, 2009 at 11:37:47PM +0100, Rafael J. Wysocki wrote: > This message has been generated automatically as a part of a report > of recent regressions. >=20 > The following bug entry is on the current list of known regressions > from 2.6.31. Please verify if it still should be listed and let me k= now > (either way). >=20 >=20 > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=3D14620 > Subject : WARNING: at mm/page_alloc.c:1805 __alloc_pages_nodemask > Submitter : Rog=E9rio Brito > Date : 2009-11-06 23:10 (11 days old) > References : http://marc.info/?l=3Dlinux-kernel&m=3D125754907413892&w= =3D4 This isn't technically a regression, since the warning is simply complaining about something that apparently ext4 has been doing for a long time, which is that it allocates some very large order data buffers. So the change referenced simply printed a warning message that complained about the fact. The actual problem will be fixed in 2.6.32, as we no longer allocate the big data buffers at mount time. - Ted