diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 3509447..55e434f 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -93,6 +93,8 @@
 #endif
 };
 
+extern struct clocksource *clock;	/* current clocksource */
+
 /*
  * Clock source flags bits::
  */
diff --git a/include/linux/timex.h b/include/linux/timex.h
index da431f8..fc6035d 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -212,6 +212,7 @@
 
 extern long time_adjust;	/* The amount of adjtime left */
 
+extern void ntp_init(void);
 extern void ntp_clear(void);
 
 /**