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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-05-10 11:33:06 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-17 17:18:51 -0700 |
| commit | 4a94445c9a5cf5461fb41d80040033b9a8e2a85a (patch) | |
| tree | 7891df11e4df4dd2c5149ef4fdc7d1301e7fca36 /net/ipv4/arp.c | |
| parent | 407eadd996dc62a827db85f1d0c286a98fd5d336 (diff) | |
| download | linux-4a94445c9a5cf5461fb41d80040033b9a8e2a85a.tar.gz linux-4a94445c9a5cf5461fb41d80040033b9a8e2a85a.tar.bz2 linux-4a94445c9a5cf5461fb41d80040033b9a8e2a85a.zip | |
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.c | 2 |
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; |