--- /dev/null
+#ifndef _TCP_MEMCG_H
+#define _TCP_MEMCG_H
+
+struct cg_proto *tcp_proto_cgroup(struct mem_cgroup *memcg);
+int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss);
+void tcp_destroy_cgroup(struct mem_cgroup *memcg);
+#endif /* _TCP_MEMCG_H */