[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/udp.c b/net/ipv4/udp.c
index 4bc25b4..03c400c 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1430,6 +1430,8 @@
}
+DEFINE_PROTO_INUSE(udp)
+
struct proto udp_prot = {
.name = "UDP",
.owner = THIS_MODULE,
@@ -1452,6 +1454,7 @@
.compat_setsockopt = compat_udp_setsockopt,
.compat_getsockopt = compat_udp_getsockopt,
#endif
+ REF_PROTO_INUSE(udp)
};
/* ------------------------------------------------------------------------ */