From: Minchan Kim <minchan.kim@gmail.com>
To: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Hugh Dickins <hughd@google.com>
Subject: Re: [PATCH 0/3] mm: Swap checksum
Date: Sun, 23 May 2010 23:03:48 +0900 [thread overview]
Message-ID: <20100523140348.GA10843@barrios-desktop> (raw)
In-Reply-To: <4BF81D87.6010506@cesarb.net>
On Sat, May 22, 2010 at 03:08:07PM -0300, Cesar Eduardo Barros wrote:
> Add support for checksumming the swap pages written to disk, using the
> same checksum as btrfs (crc32c). Since the contents of the swap do not
> matter after a shutdown, the checksum is kept in memory only.
>
> Note that this code does not checksum the software suspend image.
We have been used swap pages without checksum.
First of all, Could you explain why you need checksum on swap pages?
Do you see any problem which swap pages are broken?
I could miss your claim at old disucussion thread in LKML.
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next prev parent reply other threads:[~2010-05-23 14:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-22 18:08 [PATCH 0/3] mm: Swap checksum Cesar Eduardo Barros
2010-05-22 18:08 ` [PATCH 1/3] mm/swapfile.c: better messages for swap_info_get Cesar Eduardo Barros
2010-05-22 18:13 ` Borislav Petkov
2010-05-22 18:18 ` Cesar Eduardo Barros
2010-05-22 18:08 ` [PATCH 2/3] kernel/power/swap.c: do not use end_swap_bio_read Cesar Eduardo Barros
2010-05-22 18:08 ` [PATCH 3/3] mm: Swap checksum Cesar Eduardo Barros
2010-05-23 15:19 ` Avi Kivity
2010-05-23 18:58 ` Cesar Eduardo Barros
2010-05-24 6:41 ` Avi Kivity
2010-05-24 7:32 ` Nick Piggin
2010-05-24 10:51 ` Avi Kivity
2010-05-24 11:24 ` Cesar Eduardo Barros
2010-05-23 14:03 ` Minchan Kim [this message]
2010-05-23 18:32 ` [PATCH 0/3] " Cesar Eduardo Barros
2010-05-24 0:09 ` Minchan Kim
2010-05-24 0:57 ` Cesar Eduardo Barros
2010-05-24 2:05 ` Minchan Kim
2010-05-24 10:50 ` Cesar Eduardo Barros
2010-05-25 23:52 ` Minchan Kim
2010-05-26 10:21 ` Cesar Eduardo Barros
2010-05-26 15:31 ` Minchan Kim
2010-05-26 21:28 ` Valdis.Kletnieks
2010-05-26 22:45 ` Minchan Kim
2010-05-26 23:19 ` Cesar Eduardo Barros
2010-05-26 23:27 ` Minchan Kim
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