--- vmmon-only/linux/hostif.c.orig	2012-01-11 14:55:05.064163016 +0100
+++ vmmon-only/linux/hostif.c	2012-01-11 14:49:57.707290346 +0100
@@ -78,6 +78,8 @@
 #include "vmmonInt.h"
 #include "versioned_atomic.h"
 
+#include <asm/apic.h>
+
 /* 
  * Determine if we can use high resolution timers.
  */