diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 15f6cfddcc08..41e8fe55cd98 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -907,3 +907,7 @@ EXPORT_SYMBOL(acpi_unregister_ioapic);
  * TBD when IA64 starts to support suspend...
  */
 int acpi_suspend_lowlevel(void) { return 0; }
+
+void acpi_proc_quirk_mwait_check(void)
+{
+}