From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>,
"Mike Rapoport (Microsoft)" <rppt@kernel.org>
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH rdma-next] RDMA/mlx5: Make sure that UMR page is aligned to PAGE_SIZE
Date: Wed, 22 Jul 2026 14:41:13 +0300 [thread overview]
Message-ID: <20260722-fix-get-order-alignment-v1-1-ece212ddb5dc@nvidia.com> (raw)
From: Leon Romanovsky <leonro@nvidia.com>
The UMR XLT buffer needs to be aligned to PAGE_SIZE.
Fixes: b2022068dea0 ("RDMA/mlx5: use kmalloc() for UMR translation buffers")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/infiniband/hw/mlx5/umr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/umr.c b/drivers/infiniband/hw/mlx5/umr.c
index 80d0d190b26c..951de1d85632 100644
--- a/drivers/infiniband/hw/mlx5/umr.c
+++ b/drivers/infiniband/hw/mlx5/umr.c
@@ -518,7 +518,7 @@ static void *mlx5r_umr_alloc_xlt(size_t *nents, size_t ent_size, gfp_t gfp_mask)
size = min_t(size_t, ent_size * ALIGN(*nents, xlt_chunk_align),
MLX5_MAX_UMR_CHUNK);
*nents = size / ent_size;
- res = kmalloc(size, gfp_mask | __GFP_NOWARN);
+ res = kmalloc(PAGE_ALIGN(size), gfp_mask | __GFP_NOWARN);
if (res)
return res;
---
base-commit: 0e8e94c15091041ea8910cbfcade5a9c7cfe3f90
change-id: 20260722-fix-get-order-alignment-b35d7958832d
Best regards,
--
Leon Romanovsky <leonro@nvidia.com>
next reply other threads:[~2026-07-22 11:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-22 11:41 Leon Romanovsky [this message]
2026-07-22 19:41 ` [PATCH rdma-next] RDMA/mlx5: Make sure that UMR page is aligned to PAGE_SIZE Jason Gunthorpe
2026-07-23 8:35 ` Leon Romanovsky
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