include/linux/list_lru.h

20 	LRU_REMOVED,		/* item removed from list */
21 	LRU_REMOVED_RETRY,	/* item removed, but lock has been
23 	LRU_ROTATE,		/* item referenced, give another pass */
24 	LRU_SKIP,		/* item cannot be locked, skip */
25 	LRU_RETRY,		/* item not freeable. May drop the lock
77  * @item: the item to be added.
78  * @nid: the node id of the sublist to add the item to.
79  * @memcg: the cgroup of the sublist to add the item to.
86  * one type of list, it is up to the caller to fully remove the item from
92 bool list_lru_add(struct list_lru *lru, struct list_head *item, int nid,
98  * @item: the item to be added.
101  * memcg of the sublist is determined by @item list_head. This assumption is
106 bool list_lru_add_obj(struct list_lru *lru, struct list_head *item);
111  * @item: the item to be deleted.
112  * @nid: the node id of the sublist to delete the item from.
113  * @memcg: the cgroup of the sublist to delete the item from.
121 bool list_lru_del(struct list_lru *lru, struct list_head *item, int nid,
127  * @item: the item to be deleted.
130  * memcg of the sublist is determined by @item list_head. This assumption is
135 bool list_lru_del_obj(struct list_lru *lru, struct list_head *item);
170 void list_lru_isolate(struct list_lru_one *list, struct list_head *item);
171 void list_lru_isolate_move(struct list_lru_one *list, struct list_head *item,
176  * @item: the item to put back.
177  * @nid: the node id of the sublist to put the item back to.
178  * @memcg: the cgroup of the sublist to put the item back to.
180  * Put back an isolated item into its original LRU. Note that unlike
187 void list_lru_putback(struct list_lru *lru, struct list_head *item, int nid,
190 typedef enum lru_status (*list_lru_walk_cb)(struct list_head *item,
199  *  the item currently being scanned
225  *  the item currently being scanned