[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>
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index d438dfb..e9127cd 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2417,6 +2417,8 @@
}
#endif /* CONFIG_PROC_FS */
+DEFINE_PROTO_INUSE(tcp)
+
struct proto tcp_prot = {
.name = "TCP",
.owner = THIS_MODULE,
@@ -2451,6 +2453,7 @@
.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)