diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 8f0406230a0a..1312cde68504 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -111,6 +111,7 @@ struct cpuidle_driver {
 	struct cpuidle_state	states[CPUIDLE_STATE_MAX];
 	int			state_count;
 	int			safe_state_index;
+	struct cpumask		*cpumask;
 };
 
 #ifdef CONFIG_CPU_IDLE