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);
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);