diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index b1a0f5a528fe6563badc393f96db9e4cfa2d9255..4fd90e12977236f54a4dd29168bc2db04bb1cdbc 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -23,6 +23,7 @@
  */
 
 #include <linux/cgroup.h>
+#include <linux/module.h>
 #include <linux/ctype.h>
 #include <linux/errno.h>
 #include <linux/fs.h>