Index: linux-2.6.10-mm2/drivers/acpi/processor_idle.c
===================================================================
--- linux-2.6.10-mm2.orig/drivers/acpi/processor_idle.c	2005-01-11 12:20:31.399070008 +1100
+++ linux-2.6.10-mm2/drivers/acpi/processor_idle.c	2005-01-11 12:22:19.931570560 +1100
@@ -162,7 +162,7 @@
 	int			sleep_ticks = 0;
 	u32			t1, t2 = 0;
 
-	pr = processors[smp_processor_id()];
+	pr = processors[_smp_processor_id()];
 	if (!pr)
 		return;