Re: [Bug #14620] WARNING: at mm/page_alloc.c:1805 __alloc_pages_nodemask

Rafael J. Wysocki
2009-11-17T22:53:50Z

On Tuesday 17 November 2009, Theodore Tso wrote:
> 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.
> >
> > 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 know
> > (either way).
> >
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=14620
> > Subject : WARNING: at mm/page_alloc.c:1805 __alloc_pages_nodemask
> > Submitter : Rogério Brito <rbrito-qczF+2RCDl1fyO9Q7EP/yw@public.gmane.org>
> > Date : 2009-11-06 23:10 (11 days old)
> > References : http://marc.info/?l=linux-kernel&m=125754907413892&w=4
>
> 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.

Thanks, I'm going to close the bug.

Rafael