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[INET]: Uninline the inet_twsk_put function.

Browse source 
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 <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2007-12-20 15:32:54 -08:00 committed by David S. Miller
parent 77a5ba55da
commit 7054fb9376
2 changed files with 16 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
include/net/inet_timewait_sock.h
View file

@ -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; inet_sk(sk)->rcv_saddr : inet_twsk(sk)->tw_rcv_saddr;
} }
static inline void inet_twsk_put(struct inet_timewait_sock *tw) extern 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 struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, extern struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk,
const int state); const int state);

15
net/ipv4/inet_timewait_sock.c
View file

@ -48,6 +48,21 @@ static void __inet_twsk_kill(struct inet_timewait_sock *tw,
inet_twsk_put(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. * 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 * Essentially we whip up a timewait bucket, copy the relevant info into it