vm_map_inherit
rv = vm_map_inherit(map, addr, addr + args->size, VM_INHERIT_SHARE);
rv = vm_map_inherit(map, start, start + size, inherit);
vm_map_inherit(&p->p_vmspace->vm_map,
int vm_map_inherit (vm_map_t, vm_offset_t, vm_offset_t, vm_inherit_t);
rv = vm_map_inherit(map, *addr, *addr + size, VM_INHERIT_SHARE);
switch (vm_map_inherit(&p->p_vmspace->vm_map, addr,