vm_page_iter_remove
(void)vm_page_iter_remove(pages, p);
vm_page_iter_remove(pages, m);
if (vm_page_iter_remove(&pages, m))
if (vm_page_iter_remove(&pages, p))
if (vm_page_iter_remove(&pages, p))
if (vm_page_iter_remove(&pages, p))
bool vm_page_iter_remove(struct pctrie_iter *pages, vm_page_t m);