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

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/raw.c
View File

@ -760,6 +760,8 @@ static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
}
}
DEFINE_PROTO_INUSE(raw)
struct proto raw_prot = {
.name = "RAW",
.owner = THIS_MODULE,
@ -781,6 +783,7 @@ struct proto raw_prot = {
.compat_setsockopt = compat_raw_setsockopt,
.compat_getsockopt = compat_raw_getsockopt,
#endif
REF_PROTO_INUSE(raw)
};
#ifdef CONFIG_PROC_FS

3
net/ipv4/tcp_ipv4.c
View File

@ -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)

3
net/ipv4/udp.c
View File

@ -1430,6 +1430,8 @@ unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait)
}
DEFINE_PROTO_INUSE(udp)
struct proto udp_prot = {
.name = "UDP",
.owner = THIS_MODULE,
@ -1452,6 +1454,7 @@ struct proto udp_prot = {
.compat_setsockopt = compat_udp_setsockopt,
.compat_getsockopt = compat_udp_getsockopt,
#endif
REF_PROTO_INUSE(udp)
};
/* ------------------------------------------------------------------------ */

3
net/ipv4/udplite.c
View File

@ -44,6 +44,8 @@ static struct net_protocol udplite_protocol = {
.no_policy = 1,
};
DEFINE_PROTO_INUSE(udplite)
struct proto udplite_prot = {
.name = "UDP-Lite",
.owner = THIS_MODULE,
@ -67,6 +69,7 @@ struct proto udplite_prot = {
.compat_setsockopt = compat_udp_setsockopt,
.compat_getsockopt = compat_udp_getsockopt,
#endif
REF_PROTO_INUSE(udplite)
};
static struct inet_protosw udplite4_protosw = {