MAX_RT_PRIO 24 include/linux/sched/prio.h #define MAX_PRIO (MAX_RT_PRIO + NICE_WIDTH) MAX_RT_PRIO 25 include/linux/sched/prio.h #define DEFAULT_PRIO (MAX_RT_PRIO + NICE_WIDTH / 2) MAX_RT_PRIO 40 include/linux/sched/prio.h #define USER_PRIO(p) ((p)-MAX_RT_PRIO) MAX_RT_PRIO 8 include/linux/sched/rt.h if (unlikely(prio < MAX_RT_PRIO))