diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index c567b46dfa0f..ec742a4e5635 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -770,7 +770,7 @@ static struct notifier_block acpi_cpu_notifier =
 	    .notifier_call = acpi_cpu_soft_notify,
 };
 
-static int acpi_processor_add(struct acpi_device *device)
+static int __cpuinit acpi_processor_add(struct acpi_device *device)
 {
 	struct acpi_processor *pr = NULL;
 	int result = 0;