diff --git a/fs/proc/array.c b/fs/proc/array.c
index 98e78e2f18d66cb4331d394c8543c3e8db4445a4..680c913575f0bd41ea7374929258d21cecb5f75d 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -440,8 +440,9 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
 
 	/* Temporary variable needed for gcc-2.96 */
 	/* convert timespec -> nsec*/
-	start_time = (unsigned long long)task->start_time.tv_sec * NSEC_PER_SEC
-				+ task->start_time.tv_nsec;
+	start_time =
+		(unsigned long long)task->real_start_time.tv_sec * NSEC_PER_SEC
+				+ task->real_start_time.tv_nsec;
 	/* convert nsec -> ticks */
 	start_time = nsec_to_clock_t(start_time);
 
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 5fd49e47f83a7c8a1d20ee07d6d6e13d0df9d6ab..19c9cbf1c320e24f1f05d5730d6c93651ae91af7 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -443,12 +443,12 @@ static int show_stat(struct seq_file *p, void *v)
 	unsigned long jif;
 	cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
 	u64 sum = 0;
+	struct timespec boottime;
 
 	user = nice = system = idle = iowait =
 		irq = softirq = steal = cputime64_zero;
-	jif = - wall_to_monotonic.tv_sec;
-	if (wall_to_monotonic.tv_nsec)
-		--jif;
+	getboottime(&boottime);
+	jif = boottime.tv_sec;
 
 	for_each_possible_cpu(i) {
 		int j;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index cfb680585ab8bd87762fe3e9b2bedfb404882760..3cffc120466394926fe1eedbcfdf5e9b5b0ced4c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -972,7 +972,8 @@ struct task_struct {
 	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;
 
diff --git a/kernel/fork.c b/kernel/fork.c
index da3a155bba0ddc5c50a8082833a90be6fe60e8ce..344d693fdc787c153ca702a3d3481031164a964a 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1059,6 +1059,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 
 	p->lock_depth = -1;		/* -1 = no lock */
 	do_posix_clock_monotonic_gettime(&p->start_time);
+	p->real_start_time = p->start_time;
+	monotonic_to_bootbased(&p->real_start_time);
 	p->security = NULL;
 	p->io_context = NULL;
 	p->io_wait = NULL;