153 struct ksm_stable_node {  struct
207 			struct ksm_stable_node *head;
308 	stable_node_cache = KSM_KMEM_CACHE(ksm_stable_node, 0);  in ksm_slab_init()
334 static __always_inline bool is_stable_node_chain(struct ksm_stable_node *chain)  in is_stable_node_chain()
339 static __always_inline bool is_stable_node_dup(struct ksm_stable_node *dup)  in is_stable_node_dup()
344 static inline void stable_node_chain_add_dup(struct ksm_stable_node *dup,  in stable_node_chain_add_dup()
345 					     struct ksm_stable_node *chain)  in stable_node_chain_add_dup()
354 static inline void __stable_node_dup_del(struct ksm_stable_node *dup)  in __stable_node_dup_del()
361 static inline void stable_node_dup_del(struct ksm_stable_node *dup)  in stable_node_dup_del()
392 static inline struct ksm_stable_node *alloc_stable_node(void)  in alloc_stable_node()
402 static inline void free_stable_node(struct ksm_stable_node *stable_node)  in free_stable_node()
559 static struct ksm_stable_node *alloc_stable_node_chain(struct ksm_stable_node *dup,  in alloc_stable_node_chain()
562 	struct ksm_stable_node *chain = alloc_stable_node();  in alloc_stable_node_chain()
592 static inline void free_stable_node_chain(struct ksm_stable_node *chain,  in free_stable_node_chain()
600 static void remove_node_from_stable_tree(struct ksm_stable_node *stable_node)  in remove_node_from_stable_tree()
664 static struct page *get_ksm_page(struct ksm_stable_node *stable_node,  in get_ksm_page()
746 		struct ksm_stable_node *stable_node;  in remove_rmap_item_from_tree()
833 static inline struct ksm_stable_node *folio_stable_node(struct folio *folio)  in folio_stable_node()
838 static inline struct ksm_stable_node *page_stable_node(struct page *page)  in page_stable_node()
844 					struct ksm_stable_node *stable_node)  in set_page_stable_node()
854 static int remove_stable_node(struct ksm_stable_node *stable_node)  in remove_stable_node()
892 static int remove_stable_node_chain(struct ksm_stable_node *stable_node,  in remove_stable_node_chain()
895 	struct ksm_stable_node *dup;  in remove_stable_node_chain()
919 	struct ksm_stable_node *stable_node, *next;  in remove_all_stable_nodes()
926 						struct ksm_stable_node, node);  in remove_all_stable_nodes()
1329 bool __is_page_sharing_candidate(struct ksm_stable_node *stable_node, int offset)  in __is_page_sharing_candidate()
1343 bool is_page_sharing_candidate(struct ksm_stable_node *stable_node)  in is_page_sharing_candidate()
1348 static struct page *stable_node_dup(struct ksm_stable_node **_stable_node_dup,  in stable_node_dup()
1349 				    struct ksm_stable_node **_stable_node,  in stable_node_dup()
1353 	struct ksm_stable_node *dup, *found = NULL, *stable_node = *_stable_node;  in stable_node_dup()
1467 static struct ksm_stable_node *stable_node_dup_any(struct ksm_stable_node *stable_node,  in stable_node_dup_any()
1494 static struct page *__stable_node_chain(struct ksm_stable_node **_stable_node_dup,  in __stable_node_chain()
1495 					struct ksm_stable_node **_stable_node,  in __stable_node_chain()
1499 	struct ksm_stable_node *stable_node = *_stable_node;  in __stable_node_chain()
1516 static __always_inline struct page *chain_prune(struct ksm_stable_node **s_n_d,  in chain_prune()
1517 						struct ksm_stable_node **s_n,  in chain_prune()
1523 static __always_inline struct page *chain(struct ksm_stable_node **s_n_d,  in chain()
1524 					  struct ksm_stable_node *s_n,  in chain()
1527 	struct ksm_stable_node *old_stable_node = s_n;  in chain()
1551 	struct ksm_stable_node *stable_node, *stable_node_dup, *stable_node_any;  in stable_tree_search()
1552 	struct ksm_stable_node *page_node;  in stable_tree_search()
1572 		stable_node = rb_entry(*new, struct ksm_stable_node, node);  in stable_tree_search()
1795 static struct ksm_stable_node *stable_tree_insert(struct page *kpage)  in stable_tree_insert()
1802 	struct ksm_stable_node *stable_node, *stable_node_dup, *stable_node_any;  in stable_tree_insert()
1817 		stable_node = rb_entry(*new, struct ksm_stable_node, node);  in stable_tree_insert()
1886 			struct ksm_stable_node *orig = stable_node;  in stable_tree_insert()
1987 			       struct ksm_stable_node *stable_node,  in stable_tree_append()
2034 	struct ksm_stable_node *stable_node;  in cmp_and_merge_page()
2253 			struct ksm_stable_node *stable_node, *next;  in scan_get_next_rmap_item()
2620 	struct ksm_stable_node *stable_node;  in rmap_walk_ksm()
2691 	struct ksm_stable_node *stable_node;  in folio_migrate_ksm()
2724 static bool stable_node_dup_remove_range(struct ksm_stable_node *stable_node,  in stable_node_dup_remove_range()
2740 static bool stable_node_chain_remove_range(struct ksm_stable_node *stable_node,  in stable_node_chain_remove_range()
2745 	struct ksm_stable_node *dup;  in stable_node_chain_remove_range()
2769 	struct ksm_stable_node *stable_node, *next;  in ksm_check_stable_tree()
2776 			stable_node = rb_entry(node, struct ksm_stable_node, node);  in ksm_check_stable_tree()