diff --git a/include/linux/sched.h b/include/linux/sched.h
index f425aac633177e3723fcebafc8b2fe6d4063e465..3533168fe7d1f188b0360e59e8baa5ba49bafab8 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1522,8 +1522,11 @@ struct task_struct {
 	seqlock_t vtime_seqlock;
 	unsigned long long vtime_snap;
 	enum {
-		VTIME_SLEEPING = 0,
+		/* Task is sleeping or running in a CPU with VTIME inactive */
+		VTIME_INACTIVE = 0,
+		/* Task runs in userspace in a CPU with VTIME active */
 		VTIME_USER,
+		/* Task runs in kernelspace in a CPU with VTIME active */
 		VTIME_SYS,
 	} vtime_snap_whence;
 #endif
diff --git a/kernel/fork.c b/kernel/fork.c
index f97f2c449f5cf556ea6c54cb4aec6e894dd8bab5..c0a13706b1a75f09c47f8d86d0a1f2d80d5c8d11 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1350,7 +1350,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
 	seqlock_init(&p->vtime_seqlock);
 	p->vtime_snap = 0;
-	p->vtime_snap_whence = VTIME_SLEEPING;
+	p->vtime_snap_whence = VTIME_INACTIVE;
 #endif
 
 #if defined(SPLIT_RSS_COUNTING)
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 1128d4ba6c552822143e9b1cea0f12d7e6aa8d57..4a18a6ed7723fe57552f67a84686b8a9ab9bcafd 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -680,7 +680,7 @@ static cputime_t get_vtime_delta(struct task_struct *tsk)
 {
 	unsigned long long delta = vtime_delta(tsk);
 
-	WARN_ON_ONCE(tsk->vtime_snap_whence == VTIME_SLEEPING);
+	WARN_ON_ONCE(tsk->vtime_snap_whence == VTIME_INACTIVE);
 	tsk->vtime_snap += delta;
 
 	/* CHECKME: always safe to convert nsecs to cputime? */
@@ -764,7 +764,7 @@ void vtime_account_idle(struct task_struct *tsk)
 void arch_vtime_task_switch(struct task_struct *prev)
 {
 	write_seqlock(&prev->vtime_seqlock);
-	prev->vtime_snap_whence = VTIME_SLEEPING;
+	prev->vtime_snap_whence = VTIME_INACTIVE;
 	write_sequnlock(&prev->vtime_seqlock);
 
 	write_seqlock(&current->vtime_seqlock);
@@ -829,7 +829,7 @@ fetch_task_cputime(struct task_struct *t,
 			*s_dst = *s_src;
 
 		/* Task is sleeping, nothing to add */
-		if (t->vtime_snap_whence == VTIME_SLEEPING ||
+		if (t->vtime_snap_whence == VTIME_INACTIVE ||
 		    is_idle_task(t))
 			continue;