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Date: Wed, 9 Mar 2011 16:36:35 +0200 (EET)
From: Aaro Koskinen <aaro.koskinen@nokia.com>
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To: Andrew Morton <akpm@linux-foundation.org>
cc: Aaro Koskinen <aaro.koskinen@nokia.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, kosaki.motohiro@jp.fujitsu.com,
        stable@kernel.org
Subject: Re: [PATCHv2] procfs: fix /proc/<pid>/maps heap check
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Hi,

On Mon, 7 Mar 2011, Andrew Morton wrote:
> On Fri,  4 Mar 2011 15:23:14 +0200
> Aaro Koskinen <aaro.koskinen@nokia.com> wrote:
>
>> The current code fails to print the "[heap]" marking if the heap is
>> splitted into multiple mappings.
>>
>> Fix the check so that the marking is displayed in all possible cases:
>> 	1. vma matches exactly the heap
>> 	2. the heap vma is merged e.g. with bss
>> 	3. the heap vma is splitted e.g. due to locked pages
>>
>> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
>> Cc: stable@kernel.org
>
> Why do you believe this problem is serious enough to justify
> backporting the fix into -stable?

My bad analysis. It looks like the bug has been there forever, and
since it only results in some information missing from a procfile,
it does not fulfil the stable "critical issue" criteria.

A.
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