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[PATCH] loopback: optimize stats 

This patch slightly optimizes the loopback driver's stats update.

Saves two loads, one add and one increment per packet sent.

Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
hifive-unleashed-5.1
Chuck Ebbert 2005-07-02 21:28:22 -04:00 committed by Jeff Garzik
parent d2ae1d2ff9
commit 18c16c696e
1 changed files with 2 additions and 2 deletions
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4
drivers/net/loopback.c
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@ -151,9 +151,9 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
lb_stats = &per_cpu(loopback_stats, get_cpu());
lb_stats->rx_bytes += skb->len;
lb_stats->tx_bytes += skb->len;
lb_stats->tx_bytes = lb_stats->rx_bytes;
lb_stats->rx_packets++;
lb_stats->tx_packets++;
lb_stats->tx_packets = lb_stats->rx_packets;
put_cpu();
netif_rx(skb);