RBT_MAX
ins = RBT_MAX(tree, &root);
tmp = RBT_MAX(tree, &root);
for ((_e) = RBT_MAX(_name, (_head)); \
for ((_e) = RBT_MAX(_name, (_head)); \
last = RBT_MAX(uvm_map_addr, &map->addr);
prev = RBT_MAX(uvm_pmr_addr, &pmr->addr);
r = RBT_MAX(uvm_pmr_addr, &pmr->addr);
pg = RBT_MAX(uvm_pmr_size, &pmr->size[mt]);
*pg_prev = RBT_MAX(uvm_pmr_addr, &pmr->addr);