diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 091badf0f6ba..c0fb6b1b4712 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -214,6 +214,10 @@ static inline void cpu_notifier_register_done(void)
 {
 }
 
+static inline void smpboot_thread_init(void)
+{
+}
+
 #endif /* CONFIG_SMP */
 extern struct bus_type cpu_subsys;