diff options
author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-04-28 18:31:51 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-04-28 18:31:51 -0400 |
commit | f84af32cbca70a3c6d30463dc08c7984af11c277 (patch) | |
tree | 06ede4b3ed91be899f8f29b4c7eb1fb76f1ade97 /net/ipv4/raw.c | |
parent | 4b0b72f7dd617b13abd1b04c947e15873e011a24 (diff) |
net: ip_queue_rcv_skb() helper
When queueing a skb to socket, we can immediately release its dst if
target socket do not use IP_CMSG_PKTINFO.
tcp_data_queue() can drop dst too.
This to benefit from a hot cache line and avoid the receiver, possibly
on another cpu, to dirty this cache line himself.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/raw.c')
-rw-r--r-- | net/ipv4/raw.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index cc6f097fbd5f..52ef5af78a45 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c | |||
@@ -290,7 +290,7 @@ static int raw_rcv_skb(struct sock * sk, struct sk_buff * skb) | |||
290 | { | 290 | { |
291 | /* Charge it to the socket. */ | 291 | /* Charge it to the socket. */ |
292 | 292 | ||
293 | if (sock_queue_rcv_skb(sk, skb) < 0) { | 293 | if (ip_queue_rcv_skb(sk, skb) < 0) { |
294 | kfree_skb(skb); | 294 | kfree_skb(skb); |
295 | return NET_RX_DROP; | 295 | return NET_RX_DROP; |
296 | } | 296 | } |