oldest_epoch      304 opal/class/opal_interval_tree.c     uint32_t oldest_epoch = UINT_MAX;
oldest_epoch      311 opal/class/opal_interval_tree.c         oldest_epoch = (oldest_epoch < tree->reader_epochs[i]) ? oldest_epoch : tree->reader_epochs[i];
oldest_epoch      315 opal/class/opal_interval_tree.c         if (node->epoch < oldest_epoch) {