diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2023-06-26 16:44:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-30 16:31:53 +0200 |
| commit | 52f186f7db6af3ef51a8890fa05f96bfee7f5e41 (patch) | |
| tree | 915a0d587c2af29ccb59bee0325ba624990dcb79 | |
| parent | 15569a09399ad24663310706da6f2208c34004ed (diff) | |
| download | linux-stable-52f186f7db6af3ef51a8890fa05f96bfee7f5e41.tar.gz linux-stable-52f186f7db6af3ef51a8890fa05f96bfee7f5e41.tar.bz2 linux-stable-52f186f7db6af3ef51a8890fa05f96bfee7f5e41.zip | |
dm integrity: reduce vmalloc space footprint on 32-bit architectures
[ Upstream commit 6d50eb4725934fd22f5eeccb401000687c790fd0 ]
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>
| -rw-r--r-- | drivers/md/dm-integrity.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index eead731a1aed..234464c1c050 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -29,11 +29,11 @@ #define DEFAULT_BUFFER_SECTORS 128 #define DEFAULT_JOURNAL_WATERMARK 50 #define DEFAULT_SYNC_MSEC 10000 -#define DEFAULT_MAX_JOURNAL_SECTORS 131072 +#define DEFAULT_MAX_JOURNAL_SECTORS (IS_ENABLED(CONFIG_64BIT) ? 131072 : 8192) #define MIN_LOG2_INTERLEAVE_SECTORS 3 #define MAX_LOG2_INTERLEAVE_SECTORS 31 #define METADATA_WORKQUEUE_MAX_ACTIVE 16 -#define RECALC_SECTORS 32768 +#define RECALC_SECTORS (IS_ENABLED(CONFIG_64BIT) ? 32768 : 2048) #define RECALC_WRITE_SUPER 16 /* |