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From: Andrew Morton <akpm@osdl.org>
To: Olaf Hering <olh@suse.de>
Cc: linux-kernel@vger.kernel.org, viro@ftp.linux.org.uk
Subject: Re: [PATCH] cramfs corruption after BLKFLSBUF on loop device
Date: Fri, 2 Jun 2006 12:46:35 -0700	[thread overview]
Message-ID: <20060602124635.2d7a1d96.akpm@osdl.org> (raw)
In-Reply-To: <20060602193702.GA9888@suse.de>

On Fri, 2 Jun 2006 21:37:02 +0200
Olaf Hering <olh@suse.de> wrote:

> > I'd suggest you run SetPagePrivate() and SetPageChecked() on the locked
> > page and implement a_ops.releasepage(), which will fail if PageChecked(),
> > and will succeed otherwise:
> 
> No leak without tweaking PG_private.

Odd.  That would imply that PG_private is being left set somehow (it will
make the page unreclaimable).  But I don't see it.

Plus if we have lots of PagePrivate() pages floating about you should see
your ->releasepage() being called.


  reply	other threads:[~2006-06-02 19:47 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-29 21:40 cramfs corruption after BLKFLSBUF on loop device Olaf Hering
2006-05-30 13:19 ` Olaf Hering
2006-05-30 18:24 ` Olaf Hering
2006-06-01 18:49   ` [PATCH] " Olaf Hering
2006-06-01 19:12     ` Andrew Morton
2006-06-01 19:15       ` Andrew Morton
2006-06-01 20:10       ` Olaf Hering
2006-06-01 21:24         ` Andrew Morton
2006-06-01 21:41           ` Olaf Hering
2006-06-01 21:57             ` Andrew Morton
2006-06-02  8:43               ` Olaf Hering
2006-06-02  9:11                 ` Andrew Morton
2006-06-02 19:14                   ` Olaf Hering
2006-06-02 19:41                     ` Andrew Morton
2006-06-02 21:06                       ` Olaf Hering
2006-06-02 19:37                   ` Olaf Hering
2006-06-02 19:46                     ` Andrew Morton [this message]
2006-06-03 13:13                       ` Olaf Hering
2006-06-01 20:17     ` Chris Mason
2006-06-01 20:20       ` Olaf Hering
2006-06-01 20:29         ` Chris Mason
2006-09-20 13:20     ` Olaf Hering
2006-09-20 18:47       ` Andrew Morton

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