linux-kernel - Re: tmpfs: kernel BUG at mm/shmem.c:814

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Message-ID: <Pine.LNX.4.64.0807270451250.5297@blonde.site>
Date:	Sun, 27 Jul 2008 04:59:09 +0100 (BST)
From:	Hugh Dickins <hugh@...itas.com>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
cc:	Kel Modderman <kel@...ku42.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: tmpfs: kernel BUG at mm/shmem.c:814

On Sun, 27 Jul 2008, Henrique de Moraes Holschuh wrote:
> On Sat, 26 Jul 2008, Hugh Dickins wrote:
> > on 2.6.26.  It's using posix_fadvise on directories, and the shmem_readpage
> > method added in 2.6.23 is letting POSIX_FADV_WILLNEED allocate useless pages
> ...
> 
> > Cc: stable@...nel.org
> 
> Is the fix needed on 2.6.25 as well?

That's right: I introduced the bug in 2.6.23, so all since want the fix.

Hugh
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