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[IPV4]: Use the {DEFINE|REF}_PROTO_INUSE infrastructure

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Trivial patch to make "tcp,udp,udplite,raw" protocols uses the fast
"inuse sockets" infrastructure

Each protocol use then a static percpu var, instead of a dynamic one.
This saves some ram and some cpu cycles

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2007-11-05 23:39:16 -08:00 • committed by David S. Miller
parent 286ab3d460
commit 47a31a6ffc
4 changed files with 12 additions and 0 deletions
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3
net/ipv4/tcp_ipv4.c
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@ -2417,6 +2417,8 @@ void tcp4_proc_exit(void)
}
#endif /* CONFIG_PROC_FS */
DEFINE_PROTO_INUSE(tcp)
struct proto tcp_prot = {
.name = "TCP",
.owner = THIS_MODULE,
@ -2451,6 +2453,7 @@ struct proto tcp_prot = {
.compat_setsockopt = compat_tcp_setsockopt,
.compat_getsockopt = compat_tcp_getsockopt,
#endif
REF_PROTO_INUSE(tcp)
};
void __init tcp_v4_init(struct net_proto_family *ops)