linux-kernel - Re: kernel: pageout: orphaned page with reiserfs v3 in data=journal mode under 2.6.18

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Message-Id: <20061002180603.b19bfbd0.akpm@osdl.org>
Date:	Mon, 2 Oct 2006 18:06:03 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Mark Nipper <nipsy@...gnome.net>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: kernel: pageout: orphaned page with reiserfs v3 in data=journal
 mode under 2.6.18

On Mon, 2 Oct 2006 12:03:54 -0500
Mark Nipper <nipsy@...gnome.net> wrote:

>         I saw this in my logs earlier today:
> ---
> kernel: pageout: orphaned page
> 
>         It's the first time I've seen it on this box, but I also
> just switched to data=journal mode for all of my reiserfs mounts
> yesterday after a hard drive died in a software RAID-1 volume
> (which incidentally caused some thankfully repairable file system
> damage after a --rebuild-tree seemingly because even though the
> hard drive which was failing was reporting uncorrectable errors
> to the kernel, the software RAID system never failed the drive
> out of the volume but instead kept trying to use it).
> 
>         Anyway, just wondering if the message is bad actually as
> in it indicates some memory leak will bring down my server at
> some point or if it's just a corner case which someone felt the
> need to document whenever it happens.

I think that's a piece of temporary debugging code which I put in there in
a fit of curiosity and which I then promptly forgot about.

It's been in there since March 2005 and you are the first person who has
reported seeing the message...
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