402 static enum bp_state increase_reservation(unsigned long nr_pages)  in increase_reservation()  argument
408 	if (nr_pages > ARRAY_SIZE(frame_list))  in increase_reservation()
409 		nr_pages = ARRAY_SIZE(frame_list);  in increase_reservation()
412 	for (i = 0; i < nr_pages; i++) {  in increase_reservation()
414 			nr_pages = i;  in increase_reservation()
422 	rc = xenmem_reservation_increase(nr_pages, frame_list);  in increase_reservation()
441 static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)  in decrease_reservation()  argument
449 	if (nr_pages > ARRAY_SIZE(frame_list))  in decrease_reservation()
450 		nr_pages = ARRAY_SIZE(frame_list);  in decrease_reservation()
452 	for (i = 0; i < nr_pages; i++) {  in decrease_reservation()
455 			nr_pages = i;  in decrease_reservation()
490 	ret = xenmem_reservation_decrease(nr_pages, frame_list);  in decrease_reservation()
491 	BUG_ON(ret != nr_pages);  in decrease_reservation()
493 	balloon_stats.current_pages -= nr_pages;  in decrease_reservation()
583 static int add_ballooned_pages(int nr_pages)  in add_ballooned_pages()  argument
600 	if (si_mem_available() < nr_pages)  in add_ballooned_pages()
603 	st = decrease_reservation(nr_pages, GFP_USER);  in add_ballooned_pages()
616 int alloc_xenballooned_pages(int nr_pages, struct page **pages)  in alloc_xenballooned_pages()  argument
624 	balloon_stats.target_unpopulated += nr_pages;  in alloc_xenballooned_pages()
626 	while (pgno < nr_pages) {  in alloc_xenballooned_pages()
644 			ret = add_ballooned_pages(nr_pages - pgno);  in alloc_xenballooned_pages()
659 	balloon_stats.target_unpopulated -= nr_pages - pgno;  in alloc_xenballooned_pages()
669 void free_xenballooned_pages(int nr_pages, struct page **pages)  in free_xenballooned_pages()  argument
675 	for (i = 0; i < nr_pages; i++) {  in free_xenballooned_pages()
680 	balloon_stats.target_unpopulated -= nr_pages;  in free_xenballooned_pages()
725 		? min(xen_start_info->nr_pages - xen_released_pages, max_pfn)  in balloon_init()