From: Aaro Koskinen <aaro.koskinen@nokia.com>
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
Date: Wed, 9 Mar 2011 16:36:35 +0200 (EET) [thread overview]
Message-ID: <alpine.DEB.1.10.1103091631280.23039@esdhcp041196.research.nokia.com> (raw)
In-Reply-To: <20110307150756.d50635f1.akpm@linux-foundation.org>
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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prev parent reply other threads:[~2011-03-09 14:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-04 13:23 Aaro Koskinen
2011-03-07 7:59 ` KOSAKI Motohiro
2011-03-07 23:07 ` Andrew Morton
2011-03-09 14:36 ` Aaro Koskinen [this message]
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