[IPV4]: fib hash|trie initialization

Initialization of the slab cache's should be done when IP is
initialized to make sure of available memory, and that code can be
marked __init.

Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 02b5ff7..8ddcd3f 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -53,11 +53,11 @@
 {
 	struct fib_table *local_table, *main_table;
 
-	local_table = fib_hash_init(RT_TABLE_LOCAL);
+	local_table = fib_hash_table(RT_TABLE_LOCAL);
 	if (local_table == NULL)
 		return -ENOMEM;
 
-	main_table  = fib_hash_init(RT_TABLE_MAIN);
+	main_table  = fib_hash_table(RT_TABLE_MAIN);
 	if (main_table == NULL)
 		goto fail;
 
@@ -83,7 +83,8 @@
 	tb = fib_get_table(net, id);
 	if (tb)
 		return tb;
-	tb = fib_hash_init(id);
+
+	tb = fib_hash_table(id);
 	if (!tb)
 		return NULL;
 	h = id & (FIB_TABLE_HASHSZ - 1);
@@ -1042,6 +1043,8 @@
 	register_pernet_subsys(&fib_net_ops);
 	register_netdevice_notifier(&fib_netdev_notifier);
 	register_inetaddr_notifier(&fib_inetaddr_notifier);
+
+	fib_hash_init();
 }
 
 EXPORT_SYMBOL(inet_addr_type);