WORK_OFFQ_POOL_SHIFT 82 include/linux/workqueue.h WORK_OFFQ_LEFT = BITS_PER_LONG - WORK_OFFQ_POOL_SHIFT, WORK_OFFQ_POOL_SHIFT 89 include/linux/workqueue.h WORK_STRUCT_NO_POOL = (unsigned long)WORK_OFFQ_POOL_NONE << WORK_OFFQ_POOL_SHIFT,