From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Mitsuhiro Tanino <mitsuhiro.tanino.gm@hitachi.com>
Cc: Andi Kleen <andi@firstfloor.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
kosaki.motohiro@gmail.com
Subject: Re: [RFC Patch 0/2] mm: Add parameters to make kernel behavior at memory error on dirty cache selectable
Date: Thu, 11 Apr 2013 11:15:28 -0400 [thread overview]
Message-ID: <5166D390.8050704@gmail.com> (raw)
In-Reply-To: <51662D5B.3050001@hitachi.com>
(4/10/13 11:26 PM), Mitsuhiro Tanino wrote:
> Hi All,
> Please find a patch set that introduces these new sysctl interfaces,
> to handle a case when an memory error is detected on dirty page cache.
>
> - vm.memory_failure_dirty_panic
Panic knob is ok to me. However I agree with Andi. If we need panic know,
it should handle generic IO error and data lost.
> - vm.memory_failure_print_ratelimit
> - vm.memory_failure_print_ratelimit_burst
But this is totally silly.
print_ratelimit might ommit important messages. Please do a right way.
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prev parent reply other threads:[~2013-04-11 15:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-11 3:26 [RFC Patch 0/2] mm: Add parameters to make kernel behavior at memory error on dirty cache selectable Mitsuhiro Tanino
2013-04-11 3:53 ` Simon Jeons
2013-04-11 12:51 ` Mitsuhiro Tanino
2013-04-11 13:00 ` Ric Mason
2013-04-12 13:43 ` Mitsuhiro Tanino
2013-04-17 5:49 ` Simon Jeons
2013-04-11 7:11 ` Naoya Horiguchi
2013-04-12 13:24 ` Mitsuhiro Tanino
2013-04-12 14:45 ` Naoya Horiguchi
2013-04-17 7:14 ` Simon Jeons
2013-04-17 14:55 ` Naoya Horiguchi
2013-04-18 0:27 ` Simon Jeons
2013-04-11 13:49 ` Andi Kleen
2013-04-11 15:23 ` Naoya Horiguchi
2013-04-11 18:10 ` Andi Kleen
2013-04-12 13:38 ` Mitsuhiro Tanino
2013-04-12 15:13 ` Naoya Horiguchi
2013-04-17 13:58 ` Naoya Horiguchi
2013-04-17 6:42 ` Simon Jeons
2013-04-17 14:16 ` Naoya Horiguchi
2013-04-17 5:30 ` Simon Jeons
2013-04-11 15:15 ` KOSAKI Motohiro [this message]
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