diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index ae7e136..f131ba6 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -28,7 +28,7 @@
 /* ACTHZ period (nsecs): */
 unsigned long			tick_nsec;
 
-u64				tick_length;
+static u64			tick_length;
 static u64			tick_length_base;
 
 static struct hrtimer		leap_timer;
@@ -360,6 +360,13 @@
 	pps_clear();
 }
 
+
+u64 ntp_tick_length(void)
+{
+	return tick_length;
+}
+
+
 /*
  * Leap second processing. If in leap-insert state at the end of the
  * day, the system clock is set back one second; if in leap-delete