390 static enum bp_state increase_reservation(unsigned long nr_pages)  in increase_reservation()  argument
396 	if (nr_pages > ARRAY_SIZE(frame_list))  in increase_reservation()
397 		nr_pages = ARRAY_SIZE(frame_list);  in increase_reservation()
400 	for (i = 0; i < nr_pages; i++) {  in increase_reservation()
402 			nr_pages = i;  in increase_reservation()
410 	rc = xenmem_reservation_increase(nr_pages, frame_list);  in increase_reservation()
433 static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)  in decrease_reservation()  argument
441 	if (nr_pages > ARRAY_SIZE(frame_list))  in decrease_reservation()
442 		nr_pages = ARRAY_SIZE(frame_list);  in decrease_reservation()
444 	for (i = 0; i < nr_pages; i++) {  in decrease_reservation()
447 			nr_pages = i;  in decrease_reservation()
482 	ret = xenmem_reservation_decrease(nr_pages, frame_list);  in decrease_reservation()
483 	BUG_ON(ret != nr_pages);  in decrease_reservation()
485 	balloon_stats.current_pages -= nr_pages;  in decrease_reservation()
575 static int add_ballooned_pages(unsigned int nr_pages)  in add_ballooned_pages()  argument
592 	if (si_mem_available() < nr_pages)  in add_ballooned_pages()
595 	st = decrease_reservation(nr_pages, GFP_USER);  in add_ballooned_pages()
608 int xen_alloc_ballooned_pages(unsigned int nr_pages, struct page **pages)  in xen_alloc_ballooned_pages()  argument
616 	balloon_stats.target_unpopulated += nr_pages;  in xen_alloc_ballooned_pages()
618 	while (pgno < nr_pages) {  in xen_alloc_ballooned_pages()
636 			ret = add_ballooned_pages(nr_pages - pgno);  in xen_alloc_ballooned_pages()
651 	balloon_stats.target_unpopulated -= nr_pages - pgno;  in xen_alloc_ballooned_pages()
661 void xen_free_ballooned_pages(unsigned int nr_pages, struct page **pages)  in xen_free_ballooned_pages()  argument
667 	for (i = 0; i < nr_pages; i++) {  in xen_free_ballooned_pages()
672 	balloon_stats.target_unpopulated -= nr_pages;  in xen_free_ballooned_pages()