From: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx> With write path fast memory registration, we need less memory for each request. With fast memory registration, we can reduce max_send_sge to save memory usage. Also convert the kmalloc_array to kcalloc. Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx> Reviewed-by: Md Haris Iqbal <haris.iqbal@xxxxxxxxxxxxxxx> --- drivers/infiniband/ulp/rtrs/rtrs-clt.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 87edcec3e9e3..3b25a375afc3 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -1372,8 +1372,7 @@ static int alloc_sess_reqs(struct rtrs_clt_sess *sess) if (!req->iu) goto out; - req->sge = kmalloc_array(clt->max_segments + 1, - sizeof(*req->sge), GFP_KERNEL); + req->sge = kcalloc(2, sizeof(*req->sge), GFP_KERNEL); if (!req->sge) goto out; @@ -1675,7 +1674,7 @@ static int create_con_cq_qp(struct rtrs_clt_con *con) sess->queue_depth * 3 + 1); max_recv_wr = min_t(int, wr_limit, sess->queue_depth * 3 + 1); - max_send_sge = sess->clt->max_segments + 1; + max_send_sge = 2; } cq_num = max_send_wr + max_recv_wr; /* alloc iu to recv new rkey reply when server reports flags set */ -- 2.25.1
