linux-kernel - Re: [PATCH 0/4] Fix compaction stalls due to accounting errors in isolated page accounting

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Date:	Tue, 19 Jul 2011 13:24:30 +0200
From:	Thomas Sattler <tsattler@....de>
To:	Mel Gorman <mgorman@...e.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Ury Stankevich <urykhy@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	linux-mm <linux-mm@...ck.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/4] Fix compaction stalls due to accounting errors in
 isolated page accounting

> I assume you mean it occured again on 2.6.39.3 and so have submitted
> them to -stable for 2.6.39.x. You're cc'd so you should hear when or if
> they get picked up.

Yes, that's, what I meant:

$ uname -a
Linux pearl 2.6.39.3 #14 PREEMPT Thu Jul 14 17:41:20 CEST 2011 i686
Intel(R) Pentium(R) M processor 1700MHz GenuineIntel GNU/Linux

$ grep nr_isolated /proc/zoneinfo /proc/vmstat
/proc/zoneinfo:    nr_isolated_anon 25
/proc/zoneinfo:    nr_isolated_file 7
/proc/zoneinfo:    nr_isolated_anon 4294967271
/proc/zoneinfo:    nr_isolated_file 4294967289
/proc/zoneinfo:    nr_isolated_anon 0
/proc/zoneinfo:    nr_isolated_file 0
/proc/vmstat:nr_isolated_anon 0
/proc/vmstat:nr_isolated_file 0

$ top  # only headlines
top - 13:23:27 up 2 days,  2:52,  6 users,  load average: 2.30, 2.09, 1.69
Tasks: 132 total,   3 running, 129 sleeping,   0 stopped,   0 zombie
Cpu(s): 16.9%us,  5.6%sy,  0.0%ni,  0.0%id, 77.4%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   1551416k total,  1449088k used,   102328k free,    80736k buffers
Swap:  4120660k total,    48776k used,  4071884k free,   721312k cached

Thomas
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