diff --git a/sys/compat/linuxkpi/common/include/linux/ktime.h b/sys/compat/linuxkpi/common/include/linux/ktime.h
--- a/sys/compat/linuxkpi/common/include/linux/ktime.h
+++ b/sys/compat/linuxkpi/common/include/linux/ktime.h
@@ -190,6 +190,7 @@
 #define	ktime_get_ts(ts)		getnanouptime(ts)
 #define	ktime_get_ts64(ts)		getnanouptime(ts)
 #define	ktime_get_raw_ts64(ts)		getnanouptime(ts)
+#define	ktime_get_real_ts64(ts)		getnanotime(ts)
 #define	getrawmonotonic64(ts)		getnanouptime(ts)
 
 static inline int64_t