IB/mlx4: Suppress non-fatal memory allocations

Failure in kmalloc memory allocations will throw a warning about it.
Such warnings are not needed anymore, since in commit 0ef2f05c
("IB/mlx4: Use vmalloc for WR buffers when needed"), fallback mechanism
from kmalloc() to __vmalloc() was added.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/mlx4/qp.c

@@ -795,11 +795,13 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
 		if (err)
 			goto err_mtt;
 
-		qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(u64), gfp);
+		qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(u64),
+					gfp | __GFP_NOWARN);
 		if (!qp->sq.wrid)
 			qp->sq.wrid = __vmalloc(qp->sq.wqe_cnt * sizeof(u64),
 						gfp, PAGE_KERNEL);
-		qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(u64), gfp);
+		qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(u64),
+					gfp | __GFP_NOWARN);
 		if (!qp->rq.wrid)
 			qp->rq.wrid = __vmalloc(qp->rq.wqe_cnt * sizeof(u64),
 						gfp, PAGE_KERNEL);

drivers/infiniband/hw/mlx4/srq.c

@@ -171,7 +171,8 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
 		if (err)
 			goto err_mtt;
 
-		srq->wrid = kmalloc(srq->msrq.max * sizeof (u64), GFP_KERNEL);
+		srq->wrid = kmalloc(srq->msrq.max * sizeof(u64),
+					GFP_KERNEL | __GFP_NOWARN);
 		if (!srq->wrid) {
 			srq->wrid = __vmalloc(srq->msrq.max * sizeof(u64),
 					      GFP_KERNEL, PAGE_KERNEL);