vtime_guest_exit  131 include/linux/context_tracking.h 		vtime_guest_exit(current);
vtime_guest_exit   74 include/linux/vtime.h extern void vtime_guest_exit(struct task_struct *tsk);
vtime_guest_exit  800 kernel/sched/cputime.c EXPORT_SYMBOL_GPL(vtime_guest_exit);