__list_lru_add
bool __list_lru_add(struct list_lru *lru, struct list_lru_one *l,
__list_lru_add(&deferred_split_lru, lru, &folio->_deferred_list, nid, memcg);
ret = __list_lru_add(lru, l, item, nid, memcg);
ret = __list_lru_add(lru, l, item, nid, memcg);