diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/bnx2x_main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 88f30d254095..bdc2e71f491c 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -1498,6 +1498,13 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) bd_prod = RX_BD(bd_prod); bd_cons = RX_BD(bd_cons); + /* Prefetch the page containing the BD descriptor + at producer's index. It will be needed when new skb is + allocated */ + prefetch((void *)(PAGE_ALIGN((unsigned long) + (&fp->rx_desc_ring[bd_prod])) - + PAGE_SIZE + 1)); + cqe = &fp->rx_comp_ring[comp_ring_cons]; cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; |