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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 | |
| parent | 4b0b72f7dd617b13abd1b04c947e15873e011a24 (diff) | |
| download | blackbird-obmc-linux-f84af32cbca70a3c6d30463dc08c7984af11c277.tar.gz blackbird-obmc-linux-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')
| -rw-r--r-- | net/ipv6/raw.c | 2 | ||||
| -rw-r--r-- | net/ipv6/udp.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 85627386cb02..0e3d2dd92078 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -381,7 +381,7 @@ static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb) } /* Charge it to the socket. */ - if (sock_queue_rcv_skb(sk, skb) < 0) { + if (ip_queue_rcv_skb(sk, skb) < 0) { kfree_skb(skb); return NET_RX_DROP; } 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), |
