diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 563d20504988ef7671cf600cdc2762f00418a4c8..deafb65ef44edb7a18ef96e6846843948c7b90b1 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -361,7 +361,7 @@ static void xen_cpu_die(unsigned int cpu)
 		alternatives_smp_switch(0);
 }
 
-static void __cpuinit xen_play_dead(void) /* used only with CPU_HOTPLUG */
+static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */
 {
 	play_dead_common();
 	HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);