diff --git a/include/linux/sched.h b/include/linux/sched.h
index cfb6805..3cffc12 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -972,7 +972,8 @@
 	unsigned int rt_priority;
 	cputime_t utime, stime;
 	unsigned long nvcsw, nivcsw; /* context switch counts */
-	struct timespec start_time;
+	struct timespec start_time; 		/* monotonic time */
+	struct timespec real_start_time;	/* boot based time */
 /* mm fault and swap info: this can arguably be seen as either mm-specific or thread-specific */
 	unsigned long min_flt, maj_flt;