tsk_state 1401 include/linux/sched.h unsigned int tsk_state = READ_ONCE(tsk->state); tsk_state 1402 include/linux/sched.h unsigned int state = (tsk_state | tsk->exit_state) & TASK_REPORT; tsk_state 1406 include/linux/sched.h if (tsk_state == TASK_IDLE)