bnx2x: Remove two prefetch()

1) Even on 64bit arches, sizeof(struct sk_buff) < 256
2) No need to prefetch same pointer twice.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Acked-by: Eliezer Tamir <eliezer@tamir.org.il>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 613f727..f706ed1 100644 (file)
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -1617,7 +1617,6 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
                        rx_buf = &fp->rx_buf_ring[bd_cons];
                        skb = rx_buf->skb;
                        prefetch(skb);
-                       prefetch((u8 *)skb + 256);
                        len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
                        pad = cqe->fast_path_cqe.placement_offset;
 
@@ -1668,7 +1667,6 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
                                        dma_unmap_addr(rx_buf, mapping),
                                                   pad + RX_COPY_THRESH,
                                                   DMA_FROM_DEVICE);
-                       prefetch(skb);
                        prefetch(((char *)(skb)) + 128);
 
                        /* is this an error packet? */