[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>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index 94977205abb..f5baeb3e8b8 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -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 = {