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Message-ID: <alpine.DEB.1.10.1103091631280.23039@esdhcp041196.research.nokia.com>
Date: Wed, 9 Mar 2011 16:36:35 +0200 (EET)
From: Aaro Koskinen <aaro.koskinen@...ia.com>
To: Andrew Morton <akpm@...ux-foundation.org>
cc: Aaro Koskinen <aaro.koskinen@...ia.com>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, kosaki.motohiro@...fujitsu.com,
stable@...nel.org
Subject: Re: [PATCHv2] procfs: fix /proc/<pid>/maps heap check
Hi,
On Mon, 7 Mar 2011, Andrew Morton wrote:
> On Fri, 4 Mar 2011 15:23:14 +0200
> Aaro Koskinen <aaro.koskinen@...ia.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@...ia.com>
>> Cc: stable@...nel.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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