[IPV6]: Use the {DEFINE|REF}_PROTO_INUSE infrastructure

Trivial patch to make "tcpv6,udpv6,udplitev6,rawv6" 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/ipv6/udplite.c b/net/ipv6/udplite.c
index 766566f7de47..5a0379f71415 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -40,6 +40,8 @@ static int udplite_v6_get_port(struct sock *sk, unsigned short snum)
         return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal);
 }
 
+DEFINE_PROTO_INUSE(udplitev6)
+
 struct proto udplitev6_prot = {
         .name              = "UDPLITEv6",
         .owner             = THIS_MODULE,
@@ -62,6 +64,7 @@ struct proto udplitev6_prot = {
         .compat_setsockopt = compat_udpv6_setsockopt,
         .compat_getsockopt = compat_udpv6_getsockopt,
 #endif
+        REF_PROTO_INUSE(udplitev6)
 };
 
 static struct inet_protosw udplite6_protosw = {