MIN_vruntime 485 kernel/sched/debug.c s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1, MIN_vruntime 503 kernel/sched/debug.c MIN_vruntime = (__pick_first_entity(cfs_rq))->vruntime; MIN_vruntime 511 kernel/sched/debug.c SPLIT_NS(MIN_vruntime)); MIN_vruntime 516 kernel/sched/debug.c spread = max_vruntime - MIN_vruntime;