list_lru_walk_node
ret = list_lru_walk_node(&pt->pages, nid, take_one_from_lru, (void *)&p, &nr_to_walk);
num_pages = list_lru_walk_node(&pt->pages, nid, pool_move_to_dispose_list, &dispose, &num_to_free);
ret += list_lru_walk_node(&nfsd_file_lru, nid, nfsd_file_gc_cb,
unsigned long list_lru_walk_node(struct list_lru *lru, int nid,
isolated += list_lru_walk_node(lru, nid, isolate,
EXPORT_SYMBOL_GPL(list_lru_walk_node);