From: Greg KH <greg@kroah.com>
To: Ivan Kozik <ivan@ludios.org>
Cc: stable@vger.kernel.org, linux-xfs@vger.kernel.org,
darrick.wong@oracle.com, bfoster@redhat.com, david@fromorbit.com
Subject: Re: Request 2aa6ba7b5ad3 ("clear _XBF_PAGES from buffers when readahead page") for 4.4 stable inclusion
Date: Tue, 28 Mar 2017 13:43:45 +0200 [thread overview]
Message-ID: <20170328114345.GA17359@kroah.com> (raw)
In-Reply-To: <20170325074856.GA20773@localhost>
On Sat, Mar 25, 2017 at 07:49:00AM +0000, Ivan Kozik wrote:
> Hi,
>
> I would like to request that this patch be included in the 4.4 stable tree. It
> fixes the Bad page state issue discovered at
> http://oss.sgi.com/archives/xfs/2016-08/msg00617.html ('"Bad page state" errors
> when calling BULKSTAT under memory pressure?')
>
> I tested the patch (no changes needed) by applying it to 4.4.52, running a
> program to use almost all of my free memory, then running xfs_fsr on a
> filesystem with > 1.5M files. Before patch: kernel screams with Bad page state
> / "count:-1" within a minute. After patch: no complaints from the kernel.
> I repeated the test several times and on another machine that was affected.
> I have not seen any problems five days later.
Now queued up, thanks.
greg k-h
prev parent reply other threads:[~2017-03-28 11:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-25 7:49 Request 2aa6ba7b5ad3 ("clear _XBF_PAGES from buffers when readahead page") for 4.4 stable inclusion Ivan Kozik
2017-03-27 17:22 ` Darrick J. Wong
2017-03-28 11:43 ` Greg KH [this message]
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