MQ_PRIO_MAX 309 ipc/mqueue.c min_t(unsigned int, info->attr.mq_maxmsg, MQ_PRIO_MAX) * MQ_PRIO_MAX 470 ipc/mqueue.c min_t(unsigned int, info->attr.mq_maxmsg, MQ_PRIO_MAX) * MQ_PRIO_MAX 995 ipc/mqueue.c if (unlikely(msg_prio >= (unsigned long) MQ_PRIO_MAX))