SUNRPC: Convert the credential garbage collector into a shrinker callback

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index 018065f..384c4ad 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -152,7 +152,7 @@
 	cache_register(&ip_map_cache);
 	cache_register(&unix_gid_cache);
 	init_socket_xprt();
-	rpc_init_authunix();
+	rpcauth_init_module();
 out:
 	return err;
 }
@@ -160,6 +160,7 @@
 static void __exit
 cleanup_sunrpc(void)
 {
+	rpcauth_remove_module();
 	cleanup_socket_xprt();
 	unregister_rpc_pipefs();
 	rpc_destroy_mempool();