Re: [PATCH RFC 3/3] proc/smaps: show amount of hwpoison pages

From: KOSAKI Motohiro
Date: Tue May 01 2012 - 13:36:04 EST


On Mon, Apr 30, 2012 at 7:29 AM, Konstantin Khlebnikov
<khlebnikov@xxxxxxxxxx> 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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