diff --git a/include/net/tcp_memcontrol.h b/include/net/tcp_memcontrol.h
index 01ff7c6efada979784bd2ac888e3e24e19a511ed..020c2dee65e8b096a571d394e89ed41b48bd5923 100644
--- a/include/net/tcp_memcontrol.h
+++ b/include/net/tcp_memcontrol.h
@@ -4,6 +4,7 @@
 struct cgroup_subsys;
 struct mem_cgroup;
 
-int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss);
+int tcp_init_cgroup(struct mem_cgroup *memcg);
 void tcp_destroy_cgroup(struct mem_cgroup *memcg);
+
 #endif /* _TCP_MEMCG_H */
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 0eda67376df4323a62f8268975468a8dd4d91e04..f21f29cd14f9a5d93baebb88ccaf2e58d03c2611 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3583,7 +3583,7 @@ static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,
 }
 
 #ifdef CONFIG_MEMCG_KMEM
-static int memcg_init_kmem(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
+static int memcg_init_kmem(struct mem_cgroup *memcg)
 {
 	int ret;
 
@@ -3591,7 +3591,7 @@ static int memcg_init_kmem(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
 	if (ret)
 		return ret;
 
-	return tcp_init_cgroup(memcg, ss);
+	return tcp_init_cgroup(memcg);
 }
 
 static void memcg_deactivate_kmem(struct mem_cgroup *memcg)
@@ -4274,7 +4274,7 @@ mem_cgroup_css_online(struct cgroup_subsys_state *css)
 	}
 	mutex_unlock(&memcg_create_mutex);
 
-	ret = memcg_init_kmem(memcg, &memory_cgrp_subsys);
+	ret = memcg_init_kmem(memcg);
 	if (ret)
 		return ret;
 
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 18bc7f745e9cadd8dde7e53ccc1fe2102fc15f8b..133eb5eac49f65eebc204b543058647a10720a33 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -6,7 +6,7 @@
 #include <linux/memcontrol.h>
 #include <linux/module.h>
 
-int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
+int tcp_init_cgroup(struct mem_cgroup *memcg)
 {
 	struct mem_cgroup *parent = parent_mem_cgroup(memcg);
 	struct page_counter *counter_parent = NULL;