As mentioned half a year ago, we better switch mlx4 driver to order-0 allocations and page recycling.
This reduces vulnerability surface thanks to better skb->truesize tracking and provides better performance in most cases. Worth noting this patch series deletes more than 100 lines of code ;) Eric Dumazet (9): mlx4: use __skb_fill_page_desc() mlx4: dma_dir is a mlx4_en_priv attribute mlx4: remove order field from mlx4_en_frag_info mlx4: get rid of frag_prefix_size mlx4: rx_headroom is a per port attribute mlx4: reduce rx ring page_cache size mlx4: removal of frag_sizes[] mlx4: use order-0 pages for RX mlx4: add page recycling in receive path drivers/net/ethernet/mellanox/mlx4/en_rx.c | 350 +++++++++------------------ drivers/net/ethernet/mellanox/mlx4/en_tx.c | 4 +- drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 28 +-- 3 files changed, 129 insertions(+), 253 deletions(-) -- 2.11.0.483.g087da7b7c-goog
