289 	long credit;  in reserve_additional_memory()  local
294 	credit = balloon_stats.target_pages + balloon_stats.target_unpopulated  in reserve_additional_memory()
301 	if (credit <= 0)  in reserve_additional_memory()
304 	balloon_hotplug = round_up(credit, PAGES_PER_SECTION);  in reserve_additional_memory()
519 	long credit;  in balloon_process()  local
525 		credit = current_credit();  in balloon_process()
527 		if (credit > 0) {  in balloon_process()
529 				state = increase_reservation(credit);  in balloon_process()
534 		if (credit < 0) {  in balloon_process()
537 			n_pages = min(-credit, si_mem_available());  in balloon_process()
539 			if (state == BP_DONE && n_pages != -credit &&  in balloon_process()
550 	} while (credit && state == BP_DONE);  in balloon_process()