diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 2822b46db8f1..180e8fe77459 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -4315,6 +4315,7 @@ int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)
 	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
  * @cfile: target cgroup_file
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6fea1bfbea07..78b18ce5a4fd 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5044,6 +5044,7 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short id)
 	return idr_find(&mem_cgroup_idr, id);
 }
 
+EXPORT_SYMBOL_GPL(mem_cgroup_from_id);
 static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node)
 {
 	struct mem_cgroup_per_node *pn;
diff --git a/mm/swapfile.c b/mm/swapfile.c
index f0f77c750c56..5fdb4122cac2 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -3384,6 +3384,7 @@ void si_swapinfo(struct sysinfo *val)
 	val->totalswap = total_swap_pages + nr_to_be_unused;
 	spin_unlock(&swap_lock);
 }
+EXPORT_SYMBOL_GPL(si_swapinfo);
 
 /*
  * Verify that a swap entry is valid and increment its swap map count.
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 9811188f7570..2f34fc523b20 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3490,6 +3490,8 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg,
 
 	return nr_reclaimed;
 }
+
+EXPORT_SYMBOL_GPL(try_to_free_mem_cgroup_pages);
 #endif
 
 static void age_active_anon(struct pglist_data *pgdat,