Message ID | 1250101400.27379.167.camel@lb-tlvb-eilong |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index e6fde5e..594168a 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -1497,6 +1497,13 @@ 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;