304 			     pgoff_t index, unsigned long max_scan);
306 			     pgoff_t index, unsigned long max_scan);
356 					pgoff_t index)  in find_lock_page()  argument
358 	return pagecache_get_page(mapping, index, FGP_LOCK, 0);  in find_lock_page()
375 					pgoff_t index)  in find_lock_head()  argument
377 	return pagecache_get_page(mapping, index, FGP_LOCK | FGP_HEAD, 0);  in find_lock_head()
400 					pgoff_t index, gfp_t gfp_mask)  in find_or_create_page()  argument
402 	return pagecache_get_page(mapping, index,  in find_or_create_page()
421 				pgoff_t index)  in grab_cache_page_nowait()  argument
423 	return pagecache_get_page(mapping, index,  in grab_cache_page_nowait()
429 static inline bool thp_contains(struct page *head, pgoff_t index)  in thp_contains()  argument
433 		return head->index == index;  in thp_contains()
434 	return page_index(head) == (index & ~(thp_nr_pages(head) - 1UL));  in thp_contains()
441 static inline struct page *find_subpage(struct page *head, pgoff_t index)  in find_subpage()  argument
447 	return head + (index & (thp_nr_pages(head) - 1));  in find_subpage()
465 unsigned find_get_pages_range_tag(struct address_space *mapping, pgoff_t *index,
469 			pgoff_t *index, xa_mark_t tag, unsigned int nr_pages,  in find_get_pages_tag()  argument
472 	return find_get_pages_range_tag(mapping, index, (pgoff_t)-1, tag,  in find_get_pages_tag()
477 			pgoff_t index, unsigned flags);
483 								pgoff_t index)  in grab_cache_page()  argument
485 	return find_or_create_page(mapping, index, mapping_gfp_mask(mapping));  in grab_cache_page()
489 				pgoff_t index, filler_t *filler, void *data);
491 				pgoff_t index, gfp_t gfp_mask);
496 				pgoff_t index, void *data)  in read_mapping_page()  argument
498 	return read_cache_page(mapping, index, NULL, data);  in read_mapping_page()
510 		return page->index;  in page_to_index()
516 	pgoff = compound_head(page)->index;  in page_to_index()
539 	return ((loff_t)page->index) << PAGE_SHIFT;  in page_offset()
753 				pgoff_t index, gfp_t gfp_mask);
755 				pgoff_t index, gfp_t gfp_mask);
833 		struct file_ra_state *ra, struct file *file, pgoff_t index,  in page_cache_sync_readahead()  argument
836 	DEFINE_READAHEAD(ractl, file, mapping, index);  in page_cache_sync_readahead()
857 		struct page *page, pgoff_t index, unsigned long req_count)  in page_cache_async_readahead()  argument
859 	DEFINE_READAHEAD(ractl, file, mapping, index);  in page_cache_async_readahead()
999 	pgoff_t index = size >> PAGE_SHIFT;  in page_mkwrite_check_truncate()  local
1006 	if (page->index < index)  in page_mkwrite_check_truncate()
1009 	if (page->index > index || !offset)  in page_mkwrite_check_truncate()