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authorEric Dumazet <edumazet@google.com>2012-06-20 05:02:19 +0000
committerDavid S. Miller <davem@davemloft.net>2012-06-22 21:47:33 -0700
commit7586eceb0abc0ea1c2b023e3e5d4dfd4ff40930a (patch)
tree79fc35a3afa23896ab3e6e00b4d9d1178bfee1df /include/net/inet_connection_sock.h
parent24ea818e305b92ad1fadcca015ae3b0c1222c497 (diff)
ipv4: tcp: dont cache output dst for syncookies
Don't cache output dst for syncookies, as this adds pressure on IP route cache and rcu subsystem for no gain. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Hans Schillstrom <hans.schillstrom@ericsson.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_connection_sock.h')
-rw-r--r--include/net/inet_connection_sock.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index e1b7734c456f..af3c743a40e4 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -251,7 +251,8 @@ extern int inet_csk_get_port(struct sock *sk, unsigned short snum);
extern struct dst_entry* inet_csk_route_req(struct sock *sk,
struct flowi4 *fl4,
- const struct request_sock *req);
+ const struct request_sock *req,
+ bool nocache);
extern struct dst_entry* inet_csk_route_child_sock(struct sock *sk,
struct sock *newsk,
const struct request_sock *req);