226 	unsigned long max_pages;  in force_page_cache_readahead()  local
235 	max_pages = max_t(unsigned long, bdi->io_pages, ra->ra_pages);  in force_page_cache_readahead()
236 	nr_to_read = min(nr_to_read, max_pages);  in force_page_cache_readahead()
389 	unsigned long max_pages = ra->ra_pages;  in ondemand_readahead()  local
397 	if (req_size > max_pages && bdi->io_pages > max_pages)  in ondemand_readahead()
398 		max_pages = min(req_size, bdi->io_pages);  in ondemand_readahead()
413 		ra->size = get_next_ra_size(ra, max_pages);  in ondemand_readahead()
428 		start = page_cache_next_hole(mapping, offset + 1, max_pages);  in ondemand_readahead()
431 		if (!start || start - offset > max_pages)  in ondemand_readahead()
437 		ra->size = get_next_ra_size(ra, max_pages);  in ondemand_readahead()
445 	if (req_size > max_pages)  in ondemand_readahead()
461 	if (try_context_readahead(mapping, ra, offset, req_size, max_pages))  in ondemand_readahead()
472 	ra->size = get_init_ra_size(req_size, max_pages);  in ondemand_readahead()
483 		add_pages = get_next_ra_size(ra, max_pages);  in ondemand_readahead()
484 		if (ra->size + add_pages <= max_pages) {  in ondemand_readahead()
488 			ra->size = max_pages;  in ondemand_readahead()
489 			ra->async_size = max_pages >> 1;  in ondemand_readahead()