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>
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;
dma_unmap_addr(rx_buf, mapping),
pad + RX_COPY_THRESH,
DMA_FROM_DEVICE);
- prefetch(skb);
prefetch(((char *)(skb)) + 128);
/* is this an error packet? */