PREEMPT_ACTIVE 102 include/linux/preempt_mask.h #define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != 0) PREEMPT_ACTIVE 109 include/linux/preempt_mask.h ((preempt_count() & ~PREEMPT_ACTIVE) != PREEMPT_CHECK_OFFSET) PREEMPT_ACTIVE 539 include/linux/sched.h #define INIT_PREEMPT_COUNT (PREEMPT_DISABLED + PREEMPT_ACTIVE) PREEMPT_ACTIVE 103 include/trace/events/sched.h if (preempt_count() & PREEMPT_ACTIVE)