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Date: Sat, 20 Jun 2009 12:09:32 +0200
From: Heinz Diehl <htd@fancy-poultry.org>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>,
       Catalin Marinas <catalin.marinas@arm.com>,
       torvalds@linux-foundation.org, fengguang.wu@intel.com,
       Pekka Enberg <penberg@cs.helsinki.fi>, Ingo Molnar <mingo@elte.hu>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] profile: Suppress warning about large allocations when
 profile=1 is specified
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On 17.06.2009, Mel Gorman wrote: 

> Patch as follows
[....]

With 2.6.30-git14, I get this early in the boot process. 
Don't know if it's related to this thread. In any case, your patch does not fix it:

[....]
WARNING: at mm/page_alloc.c:1744 level2_spare_pgt+0x8f70a/0x36c800()
Hardware name:  
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.30-git14 #1
Call Trace:
 [<ffffffff8109770a>] ? level2_spare_pgt+0x8f70a/0x36c800
 [<ffffffff8109770a>] ? level2_spare_pgt+0x8f70a/0x36c800
 [<ffffffff81044a19>] ? level2_spare_pgt+0x3ca19/0x36c800
 [<ffffffff8109770a>] ? level2_spare_pgt+0x8f70a/0x36c800
 [<ffffffff810463f2>] ? level2_spare_pgt+0x3e3f2/0x36c800
 [<ffffffff810bf8bb>] ? level2_spare_pgt+0xb78bb/0x36c800
 [<ffffffff81096829>] ? level2_spare_pgt+0x8e829/0x36c800
 [<ffffffff815281a2>] ? __smp_locks_end+0x33a4a/0x35773
 [<ffffffff815280b0>] ? __smp_locks_end+0x33958/0x35773
 [<ffffffff8100904b>] ? level2_spare_pgt+0x104b/0x36c800
 [<ffffffff81119808>] ? level2_spare_pgt+0x111808/0x36c800
 [<ffffffff81084df1>] ? level2_spare_pgt+0x7cdf1/0x36c800
 [<ffffffff814f5665>] ? __smp_locks_end+0xf0d/0x35773
 [<ffffffff8100ce0a>] ? level2_spare_pgt+0x4e0a/0x36c800
 [<ffffffff814f54e9>] ? __smp_locks_end+0xd91/0x35773
 [<ffffffff8100ce00>] ? level2_spare_pgt+0x4e00/0x36c800
---[ end trace 692ffa03e0502250 ]---
CCID: Activated CCID 2 (TCP-like)
registered taskstats version 1
Freeing unused kernel memory: 572k freed
[....]

Regards,
Heinz.
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