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

David Miller
2009-06-30T02:16:59Z

From: David Rientjes <rientjes@google.com>
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@m3y3r.de>
>> 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.