Re: [Bug #13666] WARNING: at mm/page_alloc.c:1743 __alloc_pages_nodemask

[Arnaldo Carvalho de Melo <acme-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

Em Mon, Jun 29, 2009 at 07:16:55PM -0700, David Miller escreveu:
> From: David Rientjes <rientjes-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
> Date: Mon, 29 Jun 2009 17:06:42 -0700 (PDT)
> 
> > On Mon, 29 Jun 2009, 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 2.6.30.  Please verify if it still should be listed and let me know
> >> (either way).
> >> 
> >> 
> >> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=13666
> >> Subject		: WARNING: at mm/page_alloc.c:1743 __alloc_pages_nodemask
> >> Submitter	: Thomas Meyer <thomas-VsYtu1Qij5c@public.gmane.org>
> >> Date		: 2009-06-27 16:15 (2 days old)
> >> References	: http://lkml.org/lkml/2009/6/27/75
> >> 
> > 
> > dccp_init() is trying to allocate a goal that causes the order in 
> > __get_free_pages() to be >= MAX_ORDER.  
> > 
> > Arnaldo, can we cap ehash_order and bhash_order at MAX_ORDER - 1?
> 
> There was a patch going arond for this already.

http://patchwork.kernel.org/patch/31784/

- Arnaldo