luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[PATCH] loopback: optimize stats

Browse Source 
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>
This commit is contained in:
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/loopback.c
View File

@ -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);