diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 9672a065fc9a..e4045593ea2b 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -4460,6 +4460,7 @@ int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)
 		cft->flags |= __CFTYPE_NOT_ON_DFL;
 	return cgroup_add_cftypes(ss, cfts);
 }
+EXPORT_SYMBOL_GPL(cgroup_add_legacy_cftypes);
 
 /**
  * cgroup_file_notify - generate a file modified event for a cgroup_file
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c580f8ea5076..aa09cf4e8bb5 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5187,6 +5187,7 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short id)
 	WARN_ON_ONCE(!rcu_read_lock_held());
 	return idr_find(&mem_cgroup_idr, id);
 }
+EXPORT_SYMBOL_GPL(mem_cgroup_from_id);
 
 #ifdef CONFIG_SHRINKER_DEBUG
 struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino)