diff --git a/include/linux/sched.h b/include/linux/sched.h
index 52c4847..39597d0 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -372,6 +372,7 @@
 extern void trap_init(void);
 extern void update_process_times(int user);
 extern void scheduler_tick(void);
+extern int sched_cpu_starting(unsigned int cpu);
 
 extern void sched_show_task(struct task_struct *p);