159 struct ksm_stable_node {  struct
217 			struct ksm_stable_node *head;
496 	stable_node_cache = KMEM_CACHE(ksm_stable_node, 0);  in ksm_slab_init()
522 static __always_inline bool is_stable_node_chain(struct ksm_stable_node *chain)  in is_stable_node_chain()
527 static __always_inline bool is_stable_node_dup(struct ksm_stable_node *dup)  in is_stable_node_dup()
532 static inline void stable_node_chain_add_dup(struct ksm_stable_node *dup,  in stable_node_chain_add_dup()
533 					     struct ksm_stable_node *chain)  in stable_node_chain_add_dup()
542 static inline void __stable_node_dup_del(struct ksm_stable_node *dup)  in __stable_node_dup_del()
549 static inline void stable_node_dup_del(struct ksm_stable_node *dup)  in stable_node_dup_del()
580 static inline struct ksm_stable_node *alloc_stable_node(void)  in alloc_stable_node()
590 static inline void free_stable_node(struct ksm_stable_node *stable_node)  in free_stable_node()
838 static struct ksm_stable_node *alloc_stable_node_chain(struct ksm_stable_node *dup,  in alloc_stable_node_chain()
841 	struct ksm_stable_node *chain = alloc_stable_node();  in alloc_stable_node_chain()
871 static inline void free_stable_node_chain(struct ksm_stable_node *chain,  in free_stable_node_chain()
879 static void remove_node_from_stable_tree(struct ksm_stable_node *stable_node)  in remove_node_from_stable_tree()
946 static struct folio *ksm_get_folio(struct ksm_stable_node *stable_node,  in ksm_get_folio()
1029 		struct ksm_stable_node *stable_node;  in remove_rmap_item_from_tree()
1087 struct ksm_stable_node *folio_stable_node(const struct folio *folio)  in folio_stable_node()
1093 					 struct ksm_stable_node *stable_node)  in folio_set_stable_node()
1103 static int remove_stable_node(struct ksm_stable_node *stable_node)  in remove_stable_node()
1141 static int remove_stable_node_chain(struct ksm_stable_node *stable_node,  in remove_stable_node_chain()
1144 	struct ksm_stable_node *dup;  in remove_stable_node_chain()
1168 	struct ksm_stable_node *stable_node, *next;  in remove_all_stable_nodes()
1175 						struct ksm_stable_node, node);  in remove_all_stable_nodes()
1640 bool __is_page_sharing_candidate(struct ksm_stable_node *stable_node, int offset)  in __is_page_sharing_candidate()
1654 bool is_page_sharing_candidate(struct ksm_stable_node *stable_node)  in is_page_sharing_candidate()
1659 static struct folio *stable_node_dup(struct ksm_stable_node **_stable_node_dup,  in stable_node_dup()
1660 				     struct ksm_stable_node **_stable_node,  in stable_node_dup()
1664 	struct ksm_stable_node *dup, *found = NULL, *stable_node = *_stable_node;  in stable_node_dup()
1787 static struct folio *__stable_node_chain(struct ksm_stable_node **_stable_node_dup,  in __stable_node_chain()
1788 					 struct ksm_stable_node **_stable_node,  in __stable_node_chain()
1792 	struct ksm_stable_node *stable_node = *_stable_node;  in __stable_node_chain()
1802 static __always_inline struct folio *chain_prune(struct ksm_stable_node **s_n_d,  in chain_prune()
1803 						 struct ksm_stable_node **s_n,  in chain_prune()
1809 static __always_inline struct folio *chain(struct ksm_stable_node **s_n_d,  in chain()
1810 					   struct ksm_stable_node **s_n,  in chain()
1831 	struct ksm_stable_node *stable_node, *stable_node_dup;  in stable_tree_search()
1832 	struct ksm_stable_node *page_node;  in stable_tree_search()
1854 		stable_node = rb_entry(*new, struct ksm_stable_node, node);  in stable_tree_search()
2039 static struct ksm_stable_node *stable_tree_insert(struct folio *kfolio)  in stable_tree_insert()
2046 	struct ksm_stable_node *stable_node, *stable_node_dup;  in stable_tree_insert()
2061 		stable_node = rb_entry(*new, struct ksm_stable_node, node);  in stable_tree_insert()
2103 			struct ksm_stable_node *orig = stable_node;  in stable_tree_insert()
2206 			       struct ksm_stable_node *stable_node,  in stable_tree_append()
2253 	struct ksm_stable_node *stable_node;  in cmp_and_merge_page()
2611 			struct ksm_stable_node *stable_node, *next;  in scan_get_next_rmap_item()
3154 	struct ksm_stable_node *stable_node;  in rmap_walk_ksm()
3229 	struct ksm_stable_node *stable_node;  in collect_procs_ksm()
3269 	struct ksm_stable_node *stable_node;  in folio_migrate_ksm()
3302 static bool stable_node_dup_remove_range(struct ksm_stable_node *stable_node,  in stable_node_dup_remove_range()
3318 static bool stable_node_chain_remove_range(struct ksm_stable_node *stable_node,  in stable_node_chain_remove_range()
3323 	struct ksm_stable_node *dup;  in stable_node_chain_remove_range()
3347 	struct ksm_stable_node *stable_node, *next;  in ksm_check_stable_tree()
3354 			stable_node = rb_entry(node, struct ksm_stable_node, node);  in ksm_check_stable_tree()