net/mlx4_en: Print page allocator information

After Initialization of page_alloc, print actual allocated page
size and number of frags it contains. prints is done only when drv
message level is set on the interface.

Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 2ba5d368edce..30a2203a7cd1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -162,6 +162,10 @@ static int mlx4_en_init_allocator(struct mlx4_en_priv *priv,
                 if (mlx4_alloc_pages(priv, &ring->page_alloc[i],
                                      frag_info, GFP_KERNEL | __GFP_COLD))
                         goto out;
+
+                en_dbg(DRV, priv, "  frag %d allocator: - size:%d frags:%d\n",
+                       i, ring->page_alloc[i].page_size,
+                       atomic_read(&ring->page_alloc[i].page->_count));
         }
         return 0;