289 void free_pages_and_swap_cache(struct page **pages, int nr)  in free_pages_and_swap_cache()  argument
291 	struct page **pagep = pages;  in free_pages_and_swap_cache()
469 	unsigned int pages, last_ra;  in __swapin_nr_pages()  local
476 	pages = hits + 2;  in __swapin_nr_pages()
477 	if (pages == 2) {  in __swapin_nr_pages()
484 			pages = 1;  in __swapin_nr_pages()
487 		while (roundup < pages)  in __swapin_nr_pages()
489 		pages = roundup;  in __swapin_nr_pages()
492 	if (pages > max_pages)  in __swapin_nr_pages()
493 		pages = max_pages;  in __swapin_nr_pages()
497 	if (pages < last_ra)  in __swapin_nr_pages()
498 		pages = last_ra;  in __swapin_nr_pages()
500 	return pages;  in __swapin_nr_pages()
506 	unsigned int hits, pages, max_pages;  in swapin_nr_pages()  local
514 	pages = __swapin_nr_pages(READ_ONCE(prev_offset), offset, hits,  in swapin_nr_pages()
519 	atomic_set(&last_readahead_pages, pages);  in swapin_nr_pages()
521 	return pages;  in swapin_nr_pages()