diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 8aa9254a387fb1c70e90857f70412aa44bceaa6b..7f251dd1a6870df8e21c4b3e87d8ec6b193c5663 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -321,7 +321,7 @@ static struct dmi_system_id acpisleep_dmi_table[] __initdata = {
 	{},
 };
 
-static void acpi_sleep_dmi_check(void)
+static void __init acpi_sleep_dmi_check(void)
 {
 	int year;