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From: Andi Kleen <andi@firstfloor.org>
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>
Subject: Re: [PATCH RFC 3/3] proc/smaps: show amount of hwpoison pages
Date: Tue, 1 May 2012 20:29:32 +0200	[thread overview]
Message-ID: <20120501182932.GR27374@one.firstfloor.org> (raw)
In-Reply-To: <20120430112910.14137.28935.stgit@zurg>

On Mon, Apr 30, 2012 at 03:29:11PM +0400, Konstantin Khlebnikov 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.

Makes sense. The kernel will log the process names, but it can be useful to
look for it after the fact to get a more complete picture of the state
of the machine.

Acked-by: Andi Kleen <ak@linux.intel.com>

-Andi

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WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <andi@firstfloor.org>
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>
Subject: Re: [PATCH RFC 3/3] proc/smaps: show amount of hwpoison pages
Date: Tue, 1 May 2012 20:29:32 +0200	[thread overview]
Message-ID: <20120501182932.GR27374@one.firstfloor.org> (raw)
In-Reply-To: <20120430112910.14137.28935.stgit@zurg>

On Mon, Apr 30, 2012 at 03:29:11PM +0400, Konstantin Khlebnikov 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.

Makes sense. The kernel will log the process names, but it can be useful to
look for it after the fact to get a more complete picture of the state
of the machine.

Acked-by: Andi Kleen <ak@linux.intel.com>

-Andi

  parent reply	other threads:[~2012-05-01 18:29 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-30 11:29 [PATCH RFC 1/3] proc/smaps: carefully handle migration entries Konstantin Khlebnikov
2012-04-30 11:29 ` Konstantin Khlebnikov
2012-04-30 11:29 ` [PATCH RFC 2/3] proc/smaps: show amount of nonlinear ptes in vma Konstantin Khlebnikov
2012-04-30 11:29   ` Konstantin Khlebnikov
2012-05-01 17:39   ` KOSAKI Motohiro
2012-05-01 17:39     ` KOSAKI Motohiro
2012-05-01 17:56     ` Konstantin Khlebnikov
2012-05-01 17:56       ` Konstantin Khlebnikov
2012-05-01 18:08       ` KOSAKI Motohiro
2012-05-01 18:08         ` KOSAKI Motohiro
2012-04-30 11:29 ` [PATCH RFC 3/3] proc/smaps: show amount of hwpoison pages Konstantin Khlebnikov
2012-04-30 11:29   ` Konstantin Khlebnikov
2012-05-01 17:35   ` KOSAKI Motohiro
2012-05-01 17:35     ` KOSAKI Motohiro
2012-05-01 18:05     ` Konstantin Khlebnikov
2012-05-01 18:05       ` Konstantin Khlebnikov
2012-05-01 18:14       ` KOSAKI Motohiro
2012-05-01 18:14         ` KOSAKI Motohiro
2012-05-31 20:12         ` Andrew Morton
2012-05-31 20:12           ` Andrew Morton
2012-05-01 18:29   ` Andi Kleen [this message]
2012-05-01 18:29     ` Andi Kleen

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