On Thu, 29 Jun 2023 15:32:47 -0600, Yuanyuan Zhong wrote:
> Recently I noticed the mlx5_alloc_priv_descs() do many allocations from
> kmalloc-8k. It's called from following chain:
> cma_cm_event_handler => nvme_rdma_cm_handler => nvme_rdma_create_queue_ib
> => ib_mr_pool_init => ib_alloc_mr => __mlx5_ib_alloc_mr
> => _mlx5_alloc_mkey_descs
>
> When the nvme-rdma asks to allocate memory regions that support maximum 257
> sg entries, the real MR memory allocation size is slightly bigger than 2048.
>
> [...]
Applied, thanks!
[1/1] RDMA/mlx5: align MR mem allocation size to power-of-two
https://git.kernel.org/rdma/rdma/c/52b4bdd28c861e
Best regards,
--
Leon Romanovsky <leon@xxxxxxxxxx>
