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authorDavid S. Miller <davem@sunset.davemloft.net>2006-11-09 19:58:25 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:21:52 -0800
commit931731123a103cfb3f70ac4b7abfc71d94ba1f03 (patch)
tree0af6636fde05f74a8aa5421bfe9828e2a209170d /include/net/inet6_connection_sock.h
parentef56e622c61e74dd6077615c9ea76c5132195880 (diff)
downloadlwn-931731123a103cfb3f70ac4b7abfc71d94ba1f03.tar.gz
lwn-931731123a103cfb3f70ac4b7abfc71d94ba1f03.zip
[TCP]: Don't set SKB owner in tcp_transmit_skb().
The data itself is already charged to the SKB, doing the skb_set_owner_w() just generates a lot of noise and extra atomics we don't really need. Lmbench improvements on lat_tcp are minimal: before: TCP latency using localhost: 23.2701 microseconds TCP latency using localhost: 23.1994 microseconds TCP latency using localhost: 23.2257 microseconds after: TCP latency using localhost: 22.8380 microseconds TCP latency using localhost: 22.9465 microseconds TCP latency using localhost: 22.8462 microseconds Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet6_connection_sock.h')
-rw-r--r--include/net/inet6_connection_sock.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h
index f13ddc2543b1..16aa96a6a53b 100644
--- a/include/net/inet6_connection_sock.h
+++ b/include/net/inet6_connection_sock.h
@@ -38,5 +38,5 @@ extern void inet6_csk_reqsk_queue_hash_add(struct sock *sk,
extern void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
-extern int inet6_csk_xmit(struct sk_buff *skb, int ipfragok);
+extern int inet6_csk_xmit(struct sk_buff *skb, struct sock *sk, int ipfragok);
#endif /* _INET6_CONNECTION_SOCK_H */