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linux-stable-mirror/drivers/md
Mikulas PatockaandGreg Kroah-Hartman 8c3a4c3b64 dm integrity: reduce vmalloc space footprint on 32-bit architectures
[ Upstream commit 6d50eb4725 ]

It was reported that dm-integrity runs out of vmalloc space on 32-bit
architectures. On x86, there is only 128MiB vmalloc space and dm-integrity
consumes it quickly because it has a 64MiB journal and 8MiB recalculate
buffer.

Fix this by reducing the size of the journal to 4MiB and the size of
the recalculate buffer to 1MiB, so that multiple dm-integrity devices
can be created and activated on 32-bit architectures.

Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-08-30 16:23:11 +02:00
..
2022-01-16 09:14:21 +01:00