allow_nohz        110 kernel/time/tick-internal.h extern int tick_check_oneshot_change(int allow_nohz);
allow_nohz        123 kernel/time/tick-internal.h static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
allow_nohz       1400 kernel/time/tick-sched.c int tick_check_oneshot_change(int allow_nohz)
allow_nohz       1413 kernel/time/tick-sched.c 	if (!allow_nohz)