WQ_POWER_EFFICIENT 4249 kernel/workqueue.c if ((flags & WQ_POWER_EFFICIENT) && wq_power_efficient) WQ_POWER_EFFICIENT 5950 kernel/workqueue.c WQ_POWER_EFFICIENT, 0); WQ_POWER_EFFICIENT 5952 kernel/workqueue.c WQ_FREEZABLE | WQ_POWER_EFFICIENT,