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From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Date: Tue, 1 May 2012 13:35:43 -0400
Message-ID: <CAHGf_=rWDMMv2dKz3paV2MnjsCNWBa2BaUTi+RnDo8DZ4zEr=g@mail.gmail.com>
Subject: Re: [PATCH RFC 3/3] proc/smaps: show amount of hwpoison pages
To: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Andi Kleen <andi@firstfloor.org>
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On Mon, Apr 30, 2012 at 7:29 AM, Konstantin Khlebnikov
<khlebnikov@openvz.org> wrote:
> This patch adds line "HWPoinson: <size> kB" into /proc/pid/smaps if
> CONFIG_MEMORY_FAILURE=y and some HWPoison pages were found.
> This may be useful for searching applications which use a broken memory.

I dislike "maybe useful" claim. If we don't know exact motivation of a feature,
we can't maintain them especially when a bugfix can't avoid ABI change.

Please write down exact use case.
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