[PATCH v7 09/17] dm-crypt: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN

Catalin Marinas catalin.marinas at arm.com
Mon Jun 12 08:31:53 PDT 2023


ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA
operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects
alignment.

Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
Cc: Alasdair Kergon <agk at redhat.com>
Cc: Mike Snitzer <snitzer at kernel.org>
Tested-by: Isaac J. Manjarres <isaacmanjarres at google.com>
---
 drivers/md/dm-crypt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 8b47b913ee83..ebbd8f7db880 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -3256,7 +3256,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 
 	cc->per_bio_data_size = ti->per_io_data_size =
 		ALIGN(sizeof(struct dm_crypt_io) + cc->dmreq_start + additional_req_size,
-		      ARCH_KMALLOC_MINALIGN);
+		      ARCH_DMA_MINALIGN);
 
 	ret = mempool_init(&cc->page_pool, BIO_MAX_VECS, crypt_page_alloc, crypt_page_free, cc);
 	if (ret) {



More information about the linux-arm-kernel mailing list