WORK_OFFQ_FLAG_BASE 73 include/linux/workqueue.h WORK_OFFQ_CANCELING = (1 << WORK_OFFQ_FLAG_BASE), WORK_OFFQ_FLAG_BASE 81 include/linux/workqueue.h WORK_OFFQ_POOL_SHIFT = WORK_OFFQ_FLAG_BASE + WORK_OFFQ_FLAG_BITS,