linux-kernel - Re: [Q] PGPGIN underflow?

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Message-Id: <20110329091252.C07A.A69D9226@jp.fujitsu.com>
Date:	Tue, 29 Mar 2011 09:12:46 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	kosaki.motohiro@...fujitsu.com,
	Randy Dunlap <randy.dunlap@...cle.com>,
	linux-mm <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [Q] PGPGIN underflow?

> On 2011-03-24 17:57, Randy Dunlap wrote:
> > On Thu, 24 Mar 2011 10:52:54 +0900 (JST) KOSAKI Motohiro wrote:
> > 
> >> Hi all,
> >>
> >> Recently, vmstast show crazy big "bi" value even though the system has
> >> no stress. Is this known issue?
> >>
> >> Thanks.
> > 
> > underflow?  also looks like -3 or -ESRCH.
> > 
> > Adding Jens in case he has any idea about it.
> 
> First question, what does 'recently' mean? In other words, in what
> kernel did you first notice this behaviour?

Thans, Randy, Jens.
I dagged awhile and I've found this is -mm specific and known issue.
It was fixed by Hannes. (ref Message-ID: <20110324125316.GA2310@...xchg.org>)



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