From: Minchan Kim <minchan@kernel.org>
To: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Subject: Re: [PATCH v3] memory-hotplug: fix zone stat mismatch
Date: Thu, 20 Sep 2012 16:37:19 +0900 [thread overview]
Message-ID: <20120920073719.GH13234@bbox> (raw)
In-Reply-To: <505AC3E9.4030009@jp.fujitsu.com>
Hi Yasuaki,
On Thu, Sep 20, 2012 at 04:21:13PM +0900, Yasuaki Ishimatsu wrote:
> Hi Minchan,
>
> Sorry for late reply.
>
> 2012/09/20 15:43, Minchan Kim wrote:
> > During memory-hotplug, I found NR_ISOLATED_[ANON|FILE]
> > are increasing so that kernel are hang out.
>
> Why does your system hang out by increasing NR_ISOLATED_[ANON|FILE]?
> I cannot understand what has happened by your system.
If system doesn't have enough free page, it goes reclaim path and never
reclaim any pages by too_many_isolated and loop forever.
--
Kind regards,
Minchan Kim
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next prev parent reply other threads:[~2012-09-20 7:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-20 6:43 [PATCH v3] memory-hotplug: fix zone stat mismatch Minchan Kim
2012-09-20 7:21 ` Yasuaki Ishimatsu
2012-09-20 7:37 ` Minchan Kim [this message]
2012-09-20 21:42 ` Andrew Morton
2012-09-20 23:36 ` Minchan Kim
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