diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7a69c4d..d8733f0 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2218,6 +2218,7 @@
 extern struct task_group init_task_group;
 #ifdef CONFIG_USER_SCHED
 extern struct task_group root_task_group;
+extern void set_tg_uid(struct user_struct *user);
 #endif
 
 extern struct task_group *sched_create_group(struct task_group *parent);