net/mlx4_en: try to use high order pages for RX rings

RX rings can fit most of the time in a contiguous piece of memory,
so lets use kvzalloc_node/kvfree instead of vzalloc_node/vfree

Note that kvzalloc_node() automatically falls back to another node,
there is no need to do the fallback ourselves.

Signed-off-by: Eric Dumazet <[email protected]>
Reviewed-by: Tariq Toukan <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index c2c6bd7578fdeeee42ded9b10c3993742a244b8f..05787efef492b1c0c6ce540ef73647fad91ce282 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -291,13 +291,10 @@ int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
 
        tmp = size * roundup_pow_of_two(MLX4_EN_MAX_RX_FRAGS *
                                        sizeof(struct mlx4_en_rx_alloc));
-       ring->rx_info = vzalloc_node(tmp, node);
+       ring->rx_info = kvzalloc_node(tmp, GFP_KERNEL, node);
        if (!ring->rx_info) {
-               ring->rx_info = vzalloc(tmp);
-               if (!ring->rx_info) {
-                       err = -ENOMEM;
-                       goto err_xdp_info;
-               }
+               err = -ENOMEM;
+               goto err_xdp_info;
        }
 
        en_dbg(DRV, priv, "Allocated rx_info ring at addr:%p size:%d\n",
@@ -318,7 +315,7 @@ int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
        return 0;
 
 err_info:
-       vfree(ring->rx_info);
+       kvfree(ring->rx_info);
        ring->rx_info = NULL;
 err_xdp_info:
        xdp_rxq_info_unreg(&ring->xdp_rxq);
@@ -447,7 +444,7 @@ void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
                bpf_prog_put(old_prog);
        xdp_rxq_info_unreg(&ring->xdp_rxq);
        mlx4_free_hwq_res(mdev->dev, &ring->wqres, size * stride + TXBB_SIZE);
-       vfree(ring->rx_info);
+       kvfree(ring->rx_info);
        ring->rx_info = NULL;
        kfree(ring);
        *pring = NULL;