231 pgoff_t page_cache_next_miss(struct address_space *mapping,
232 			     pgoff_t index, unsigned long max_scan);
233 pgoff_t page_cache_prev_miss(struct address_space *mapping,
234 			     pgoff_t index, unsigned long max_scan);
244 struct page *pagecache_get_page(struct address_space *mapping, pgoff_t offset,
258 					pgoff_t offset)  in find_get_page()
264 					pgoff_t offset, int fgp_flags)  in find_get_page_flags()
283 					pgoff_t offset)  in find_lock_page()
308 					pgoff_t offset, gfp_t gfp_mask)  in find_or_create_page()
329 				pgoff_t index)  in grab_cache_page_nowait()
336 static inline struct page *find_subpage(struct page *page, pgoff_t offset)  in find_subpage()
346 struct page *find_get_entry(struct address_space *mapping, pgoff_t offset);
347 struct page *find_lock_entry(struct address_space *mapping, pgoff_t offset);
348 unsigned find_get_entries(struct address_space *mapping, pgoff_t start,
350 			  pgoff_t *indices);
351 unsigned find_get_pages_range(struct address_space *mapping, pgoff_t *start,
352 			pgoff_t end, unsigned int nr_pages,
355 			pgoff_t *start, unsigned int nr_pages,  in find_get_pages()
358 	return find_get_pages_range(mapping, start, (pgoff_t)-1, nr_pages,  in find_get_pages()
361 unsigned find_get_pages_contig(struct address_space *mapping, pgoff_t start,
363 unsigned find_get_pages_range_tag(struct address_space *mapping, pgoff_t *index,
364 			pgoff_t end, xa_mark_t tag, unsigned int nr_pages,
367 			pgoff_t *index, xa_mark_t tag, unsigned int nr_pages,  in find_get_pages_tag()
370 	return find_get_pages_range_tag(mapping, index, (pgoff_t)-1, tag,  in find_get_pages_tag()
375 			pgoff_t index, unsigned flags);
381 								pgoff_t index)  in grab_cache_page()
387 				pgoff_t index, filler_t *filler, void *data);
389 				pgoff_t index, gfp_t gfp_mask);
394 				pgoff_t index, void *data)  in read_mapping_page()
403 static inline pgoff_t page_to_index(struct page *page)  in page_to_index()
405 	pgoff_t pgoff;  in page_to_index()
423 static inline pgoff_t page_to_pgoff(struct page *page)  in page_to_pgoff()
444 extern pgoff_t linear_hugepage_index(struct vm_area_struct *vma,
447 static inline pgoff_t linear_page_index(struct vm_area_struct *vma,  in linear_page_index()
450 	pgoff_t pgoff;  in linear_page_index()
608 				pgoff_t index, gfp_t gfp_mask);
610 				pgoff_t index, gfp_t gfp_mask);
622 		struct address_space *mapping, pgoff_t offset, gfp_t gfp_mask)  in add_to_page_cache()