This one is not that big, but is widely used: saves 1200 bytes
from net/ipv4/built-in.o
add/remove: 1/0 grow/shrink: 1/12 up/down: 97/-1300 (-1203)
function old new delta
inet_twsk_put - 87 +87
__inet_lookup_listener 274 284 +10
tcp_sacktag_write_queue 2255 2254 -1
tcp_time_wait 482 411 -71
__inet_check_established 796 722 -74
tcp_v4_err 973 898 -75
__inet_twsk_kill 230 154 -76
inet_twsk_deschedule 180 103 -77
tcp_v4_do_rcv 462 384 -78
inet_hash_connect 686 607 -79
inet_twdr_do_twkill_work 236 150 -86
inet_twdr_twcal_tick 395 307 -88
tcp_v4_rcv 1744 1480 -264
tcp_timewait_state_process 975 644 -331
Export it for ipv6 module.
Signed-off-by: Pavel Emelyanov <[EMAIL PROTECTED]>
---
include/net/inet_timewait_sock.h | 14 +-------------
net/ipv4/inet_timewait_sock.c | 15 +++++++++++++++
2 files changed, 16 insertions(+), 13 deletions(-)
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index abaff05..67e9250 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -193,19 +193,7 @@ static inline __be32 inet_rcv_saddr(const struct sock *sk)
inet_sk(sk)->rcv_saddr : inet_twsk(sk)->tw_rcv_saddr;
}
-static inline void inet_twsk_put(struct inet_timewait_sock *tw)
-{
- if (atomic_dec_and_test(&tw->tw_refcnt)) {
- struct module *owner = tw->tw_prot->owner;
- twsk_destructor((struct sock *)tw);
-#ifdef SOCK_REFCNT_DEBUG
- printk(KERN_DEBUG "%s timewait_sock %p released\n",
- tw->tw_prot->name, tw);
-#endif
- kmem_cache_free(tw->tw_prot->twsk_prot->twsk_slab, tw);
- module_put(owner);
- }
-}
+extern void inet_twsk_put(struct inet_timewait_sock *tw);
extern struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk,
const int state);
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index d43e787..1b7db42 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -48,6 +48,21 @@ static void __inet_twsk_kill(struct inet_timewait_sock *tw,
inet_twsk_put(tw);
}
+void inet_twsk_put(struct inet_timewait_sock *tw)
+{
+ if (atomic_dec_and_test(&tw->tw_refcnt)) {
+ struct module *owner = tw->tw_prot->owner;
+ twsk_destructor((struct sock *)tw);
+#ifdef SOCK_REFCNT_DEBUG
+ printk(KERN_DEBUG "%s timewait_sock %p released\n",
+ tw->tw_prot->name, tw);
+#endif
+ kmem_cache_free(tw->tw_prot->twsk_prot->twsk_slab, tw);
+ module_put(owner);
+ }
+}
+EXPORT_SYMBOL_GPL(inet_twsk_put);
+
/*
* Enter the time wait state. This is called with locally disabled BH.
* Essentially we whip up a timewait bucket, copy the relevant info into it
--
1.5.3.4
--
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