diff options
| author | Pavel Emelyanov <xemul@openvz.org> | 2007-12-20 15:32:17 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:59:27 -0800 |
| commit | 77a5ba55dab7b4ece12f37c717022819e3f77b44 (patch) | |
| tree | 23af7c17e48403dc8d847f3839a4b005939272bf /include/net/inet_hashtables.h | |
| parent | 152da81deb9a4870aeac352336184b2b14d4b2ba (diff) | |
[INET]: Uninline the __inet_lookup_established function.
This is -700 bytes from the net/ipv4/built-in.o
add/remove: 1/0 grow/shrink: 1/3 up/down: 340/-1040 (-700)
function old new delta
__inet_lookup_established - 339 +339
tcp_sacktag_write_queue 2254 2255 +1
tcp_v4_err 1304 973 -331
tcp_v4_rcv 2089 1744 -345
tcp_v4_do_rcv 826 462 -364
Exporting is for dccp module (used via e.g. inet_lookup).
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_hashtables.h')
| -rw-r--r-- | include/net/inet_hashtables.h | 40 |
1 files changed, 3 insertions, 37 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index 982d487751f..65ddb25d62e 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -374,43 +374,9 @@ typedef __u64 __bitwise __addrpair; * * Local BH must be disabled here. */ -static inline struct sock * - __inet_lookup_established(struct inet_hashinfo *hashinfo, - const __be32 saddr, const __be16 sport, - const __be32 daddr, const u16 hnum, - const int dif) -{ - INET_ADDR_COOKIE(acookie, saddr, daddr) - const __portpair ports = INET_COMBINED_PORTS(sport, hnum); - struct sock *sk; - const struct hlist_node *node; - /* Optimize here for direct hit, only listening connections can - * have wildcards anyways. - */ - unsigned int hash = inet_ehashfn(daddr, hnum, saddr, sport); - struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash); - rwlock_t *lock = inet_ehash_lockp(hashinfo, hash); - - prefetch(head->chain.first); - read_lock(lock); - sk_for_each(sk, node, &head->chain) { - if (INET_MATCH(sk, hash, acookie, saddr, daddr, ports, dif)) - goto hit; /* You sunk my battleship! */ - } - - /* Must check for a TIME_WAIT'er before going to listener hash. */ - sk_for_each(sk, node, &head->twchain) { - if (INET_TW_MATCH(sk, hash, acookie, saddr, daddr, ports, dif)) - goto hit; - } - sk = NULL; -out: - read_unlock(lock); - return sk; -hit: - sock_hold(sk); - goto out; -} +extern struct sock * __inet_lookup_established(struct inet_hashinfo *hashinfo, + const __be32 saddr, const __be16 sport, + const __be32 daddr, const u16 hnum, const int dif); static inline struct sock * inet_lookup_established(struct inet_hashinfo *hashinfo, |