On Fri, Jun 11, 2021 at 02:10:30PM +0200, Jack Wang wrote:
> From: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
>
> Currently rtrs when create_qp use a coarse numbers (bigger in general),
> which leads to hardware create more resources which only waste memory
> with no benefits.
>
> For max_send_wr, we don't really need alway max_qp_wr size when creating
> qp, reduce it to cq_size.
>
> For max_recv_wr, cq_size is enough.
>
> With the patch when sess_queue_depth=128, per session (2 paths)
> memory consumption reduced from 188 MB to 65MB
>
> When always_invalidate is enabled, we need send more wr,
> so treat it special.
>
> Fixes: 9cb837480424e ("RDMA/rtrs: server: main functionality")
> Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
> Reviewed-by: Md Haris Iqbal <haris.iqbal@xxxxxxxxxxxxxxx>
> Signed-off-by: Gioh Kim <gi-oh.kim@xxxxxxxxx>
> ---
> drivers/infiniband/ulp/rtrs/rtrs-srv.c | 38 +++++++++++++++++---------
> 1 file changed, 25 insertions(+), 13 deletions(-)
>
Thanks,
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
