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authorEric Dumazet <eric.dumazet@gmail.com>2010-05-10 15:33:06 +0400
committerDavid S. Miller <davem@davemloft.net>2010-05-18 04:18:51 +0400
commit4a94445c9a5cf5461fb41d80040033b9a8e2a85a (patch)
tree7891df11e4df4dd2c5149ef4fdc7d1301e7fca36 /net/ipv4/arp.c
parent407eadd996dc62a827db85f1d0c286a98fd5d336 (diff)
downloadlinux-4a94445c9a5cf5461fb41d80040033b9a8e2a85a.tar.xz
net: Use ip_route_input_noref() in input path
Use ip_route_input_noref() in ip fast path, to avoid two atomic ops per incoming packet. Note: loopback is excluded from this optimization in ip_rcv_finish() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/arp.c')
-rw-r--r--net/ipv4/arp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 80769f1f9fab..f094b75810db 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -854,7 +854,7 @@ static int arp_process(struct sk_buff *skb)
}
if (arp->ar_op == htons(ARPOP_REQUEST) &&
- ip_route_input(skb, tip, sip, 0, dev) == 0) {
+ ip_route_input_noref(skb, tip, sip, 0, dev) == 0) {
rt = skb_rtable(skb);
addr_type = rt->rt_type;