22 					pgoff_t start, pgoff_t end);
32 		pgoff_t start, pgoff_t end);
536 pgoff_t page_cache_next_miss(struct address_space *mapping,
537 			     pgoff_t index, unsigned long max_scan);
538 pgoff_t page_cache_prev_miss(struct address_space *mapping,
539 			     pgoff_t index, unsigned long max_scan);
599 void *filemap_get_entry(struct address_space *mapping, pgoff_t index);
600 struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index,
602 struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index,
617 					pgoff_t index)  in filemap_get_folio()
635 					pgoff_t index)  in filemap_lock_folio()
653 					pgoff_t index)  in filemap_grab_folio()
671 					pgoff_t offset)  in find_get_page()
677 					pgoff_t offset, fgf_t fgp_flags)  in find_get_page_flags()
696 					pgoff_t index)  in find_lock_page()
721 					pgoff_t index, gfp_t gfp_mask)  in find_or_create_page()
742 				pgoff_t index)  in grab_cache_page_nowait()
762 static inline pgoff_t folio_index(struct folio *folio)  in folio_index()
775 static inline pgoff_t folio_next_index(struct folio *folio)  in folio_next_index()
790 static inline struct page *folio_file_page(struct folio *folio, pgoff_t index)  in folio_file_page()
808 static inline bool folio_contains(struct folio *folio, pgoff_t index)  in folio_contains()
820 static inline struct page *find_subpage(struct page *head, pgoff_t index)  in find_subpage()
829 unsigned filemap_get_folios(struct address_space *mapping, pgoff_t *start,
830 		pgoff_t end, struct folio_batch *fbatch);
832 		pgoff_t *start, pgoff_t end, struct folio_batch *fbatch);
833 unsigned filemap_get_folios_tag(struct address_space *mapping, pgoff_t *start,
834 		pgoff_t end, xa_mark_t tag, struct folio_batch *fbatch);
837 			pgoff_t index);
843 								pgoff_t index)  in grab_cache_page()
848 struct folio *read_cache_folio(struct address_space *, pgoff_t index,
850 struct folio *mapping_read_folio_gfp(struct address_space *, pgoff_t index,
852 struct page *read_cache_page(struct address_space *, pgoff_t index,
855 				pgoff_t index, gfp_t gfp_mask);
858 				pgoff_t index, struct file *file)  in read_mapping_page()
864 				pgoff_t index, struct file *file)  in read_mapping_folio()
873 static inline pgoff_t page_to_index(struct page *page)  in page_to_index()
888 extern pgoff_t hugetlb_basepage_index(struct page *page);
894 static inline pgoff_t page_to_pgoff(struct page *page)  in page_to_pgoff()
939 static inline pgoff_t folio_pgoff(struct folio *folio)  in folio_pgoff()
946 extern pgoff_t linear_hugepage_index(struct vm_area_struct *vma,
949 static inline pgoff_t linear_page_index(struct vm_area_struct *vma,  in linear_page_index()
952 	pgoff_t pgoff;  in linear_page_index()
1183 		pgoff_t index, gfp_t gfp);
1185 		pgoff_t index, gfp_t gfp);
1197 		pgoff_t index, gfp_t gfp, void **shadowp);
1249 	pgoff_t _index;
1289 		struct file_ra_state *ra, struct file *file, pgoff_t index,  in page_cache_sync_readahead()
1313 		struct folio *folio, pgoff_t index, unsigned long req_count)  in page_cache_async_readahead()
1437 static inline pgoff_t readahead_index(struct readahead_control *rac)  in readahead_index()
1478 	pgoff_t index = size >> PAGE_SHIFT;  in folio_mkwrite_check_truncate()
1506 	pgoff_t index = size >> PAGE_SHIFT;  in page_mkwrite_check_truncate()