From: Andrea Arcangeli <andrea@suse.de>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: mapped pages being truncated [was Re: 2.6.5-rc2-aa5]
Date: Tue, 30 Mar 2004 21:12:18 +0200 [thread overview]
Message-ID: <20040330191218.GE3808@dualathlon.random> (raw)
In-Reply-To: <Pine.LNX.4.44.0403302002090.23584-100000@localhost.localdomain>
On Tue, Mar 30, 2004 at 08:06:42PM +0100, Hugh Dickins wrote:
> On Tue, 30 Mar 2004, Andrea Arcangeli wrote:
> > On Tue, Mar 30, 2004 at 07:48:42PM +0100, Hugh Dickins wrote:
> > >
> > > Do you have enough evidence that it's the very same bug?
> >
> > yes, see the two stack traces, they trigger in the same place and it's
> > the very same workload. Andrew just noticed that xfs indeed calls
> > truncate_inode_pages before vmtruncate. It will trigger with your
> > patches too.
>
> Yes, Andrew has got it (and I agree XFS is wrong to be doing that).
indeed.
> > Ok I see what you mean, this should fix it, agreed?
>
> Yes, that's exactly the fix (for when COWing a reserved page).
thanks, great spotting!
next prev parent reply other threads:[~2004-03-30 19:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-29 15:06 2.6.5-rc2-aa5 Andrea Arcangeli
2004-03-29 20:48 ` 2.6.5-rc2-aa5 Andrew Morton
2004-03-29 22:45 ` 2.6.5-rc2-aa5 Andrea Arcangeli
2004-03-30 16:10 ` mapped pages being truncated [was Re: 2.6.5-rc2-aa5] Andrea Arcangeli
2004-03-30 18:01 ` Hugh Dickins
2004-03-30 18:20 ` Andrea Arcangeli
2004-03-30 18:48 ` Hugh Dickins
2004-03-30 19:01 ` Andrea Arcangeli
2004-03-30 19:06 ` Hugh Dickins
2004-03-30 19:12 ` Andrea Arcangeli [this message]
2004-03-30 18:28 ` Andrew Morton
2004-03-30 18:51 ` Andrea Arcangeli
2004-03-30 20:13 ` Nathan Scott
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