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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-05-06 16:50:52 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-05-06 16:50:52 -0700 |
| commit | 4dbc8ef7e1123bb8a591d75a2b84413aa261a9f4 (patch) | |
| tree | 2532c1cf032c4011c88b5cd68651b5558f70b231 /net/ipv4/inet_timewait_sock.c | |
| parent | 9ce77666da48513058e330634a766d4752324f8e (diff) | |
| download | linux-stable-4dbc8ef7e1123bb8a591d75a2b84413aa261a9f4.tar.gz linux-stable-4dbc8ef7e1123bb8a591d75a2b84413aa261a9f4.tar.bz2 linux-stable-4dbc8ef7e1123bb8a591d75a2b84413aa261a9f4.zip | |
net: Make inet_twsk_put similar to sock_put
By separating the freeing code from the refcounting decrementing.
Probably reducing icache pressure when we still have reference counts to
go.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_timewait_sock.c')
| -rw-r--r-- | net/ipv4/inet_timewait_sock.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index 8554d0ea1719..68a8d892c711 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -49,19 +49,22 @@ static void __inet_twsk_kill(struct inet_timewait_sock *tw, inet_twsk_put(tw); } -void inet_twsk_put(struct inet_timewait_sock *tw) +static noinline void inet_twsk_free(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); + 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); + pr_debug("%s timewait_sock %p released\n", tw->tw_prot->name, tw); #endif - release_net(twsk_net(tw)); - kmem_cache_free(tw->tw_prot->twsk_prot->twsk_slab, tw); - module_put(owner); - } + release_net(twsk_net(tw)); + kmem_cache_free(tw->tw_prot->twsk_prot->twsk_slab, tw); + module_put(owner); +} + +void inet_twsk_put(struct inet_timewait_sock *tw) +{ + if (atomic_dec_and_test(&tw->tw_refcnt)) + inet_twsk_free(tw); } EXPORT_SYMBOL_GPL(inet_twsk_put); |