357 	swp_entry_t entry = folio->swap;  in page_swap_entry()  local
359 	entry.val += folio_page_idx(folio, page);  in page_swap_entry()
360 	return entry;  in page_swap_entry()
498 void put_swap_folio(struct folio *folio, swp_entry_t entry);
504 extern int swapcache_prepare(swp_entry_t entry, int nr);
505 extern void swap_free_nr(swp_entry_t entry, int nr_pages);
507 extern void free_swap_and_cache_nr(swp_entry_t entry, int nr);
512 extern int __swap_count(swp_entry_t entry);
513 extern int swap_swapcount(struct swap_info_struct *si, swp_entry_t entry);
514 extern int swp_swapcount(swp_entry_t entry);
515 struct swap_info_struct *swp_swap_info(swp_entry_t entry);
519 extern struct swap_info_struct *get_swap_device(swp_entry_t entry);
529 static inline struct swap_info_struct *swp_swap_info(swp_entry_t entry)  in swp_swap_info()  argument
534 static inline struct swap_info_struct *get_swap_device(swp_entry_t entry)  in get_swap_device()  argument
557 static inline void free_swap_and_cache_nr(swp_entry_t entry, int nr)  in free_swap_and_cache_nr()  argument
584 static inline void swap_free_nr(swp_entry_t entry, int nr_pages)  in swap_free_nr()  argument
592 static inline int __swap_count(swp_entry_t entry)  in __swap_count()  argument
597 static inline int swap_swapcount(struct swap_info_struct *si, swp_entry_t entry)  in swap_swapcount()  argument
602 static inline int swp_swapcount(swp_entry_t entry)  in swp_swapcount()  argument
609 	swp_entry_t entry;  in folio_alloc_swap()  local
610 	entry.val = 0;  in folio_alloc_swap()
611 	return entry;  in folio_alloc_swap()
627 static inline void free_swap_and_cache(swp_entry_t entry)  in free_swap_and_cache()  argument
629 	free_swap_and_cache_nr(entry, 1);  in free_swap_and_cache()
632 static inline void swap_free(swp_entry_t entry)  in swap_free()  argument
634 	swap_free_nr(entry, 1);  in swap_free()
680 void mem_cgroup_swapout(struct folio *folio, swp_entry_t entry);
681 int __mem_cgroup_try_charge_swap(struct folio *folio, swp_entry_t entry);
683 		swp_entry_t entry)  in mem_cgroup_try_charge_swap()  argument
687 	return __mem_cgroup_try_charge_swap(folio, entry);  in mem_cgroup_try_charge_swap()
690 extern void __mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages);
691 static inline void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)  in mem_cgroup_uncharge_swap()  argument
695 	__mem_cgroup_uncharge_swap(entry, nr_pages);  in mem_cgroup_uncharge_swap()
701 static inline void mem_cgroup_swapout(struct folio *folio, swp_entry_t entry)  in mem_cgroup_swapout()  argument
706 					     swp_entry_t entry)  in mem_cgroup_try_charge_swap()  argument
711 static inline void mem_cgroup_uncharge_swap(swp_entry_t entry,  in mem_cgroup_uncharge_swap()  argument