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| author |   Eric Dumazet <eric.dumazet@gmail.com> | 2010-04-28 15:31:51 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-04-28 15:31:51 -0700 |
| commit | f84af32cbca70a3c6d30463dc08c7984af11c277 (patch) | |
| tree | 06ede4b3ed91be899f8f29b4c7eb1fb76f1ade97 /net/ipv6/udp.c | |
| parent | net: speedup udp receive path (diff) | |
| download | linux-dev-f84af32cbca70a3c6d30463dc08c7984af11c277.tar.xz linux-dev-f84af32cbca70a3c6d30463dc08c7984af11c277.zip | |
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/ipv6/udp.c')
| -rw-r--r-- | net/ipv6/udp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 91c60f0090a4..79359c8380bc 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -514,7 +514,7 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb) goto drop; } - if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) { + if ((rc = ip_queue_rcv_skb(sk, skb)) < 0) { /* Note that an ENOMEM error is charged twice */ if (rc == -ENOMEM) UDP6_INC_STATS_BH(sock_net(sk), |