diff options
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mr.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 2017ede100a6..92f35fafb2c0 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -1766,6 +1766,11 @@ mlx5_alloc_priv_descs(struct ib_device *device, int ret; add_size = max_t(int, MLX5_UMR_ALIGN - ARCH_KMALLOC_MINALIGN, 0); + if (is_power_of_2(MLX5_UMR_ALIGN) && add_size) { + int end = max_t(int, MLX5_UMR_ALIGN, roundup_pow_of_two(size)); + + add_size = min_t(int, end - size, add_size); + } mr->descs_alloc = kzalloc(size + add_size, GFP_KERNEL); if (!mr->descs_alloc) |