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author | Vasily Averin <vvs@sw.ru> | 2007-10-31 08:33:24 +0100 |
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committer | Jens Axboe <axboe@carl.home.kernel.dk> | 2007-11-02 08:47:25 +0100 |
commit | 5ec140e600b7d6624c657f008833f0e71bd5ef48 (patch) | |
tree | 44691c88d767418a57797e84253a4633825c0c98 /drivers/hid | |
parent | 6f5d8aa6382eef2b26032c88656270bdae7f0c42 (diff) | |
download | kernel_samsung_smdk4412-5ec140e600b7d6624c657f008833f0e71bd5ef48.zip kernel_samsung_smdk4412-5ec140e600b7d6624c657f008833f0e71bd5ef48.tar.gz kernel_samsung_smdk4412-5ec140e600b7d6624c657f008833f0e71bd5ef48.tar.bz2 |
dm: bounce_pfn limit added
Device mapper uses its own bounce_pfn that may differ from one on underlying
device. In that way dm can build incorrect requests that contain sg elements
greater than underlying device is able to handle.
This is the cause of slab corruption in i2o layer, occurred on i386 arch when
very long direct IO requests are addressed to dm-over-i2o device.
Signed-off-by: Vasily Averin <vvs@sw.ru>
Cc: <stable@kernel.org>
Cc: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/hid')
0 files changed, 0 insertions, 0 deletions