2409 static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,  in make_room()  argument
2414 	*mem_start = _ALIGN(*mem_start, align);  in make_room()
2415 	while ((*mem_start + needed) > *mem_end) {  in make_room()
2433 	ret = (void *)*mem_start;  in make_room()
2434 	*mem_start += needed;  in make_room()
2439 #define dt_push_token(token, mem_start, mem_end) do { 			\  argument
2440 		void *room = make_room(mem_start, mem_end, 4, 4);	\
2465 					 unsigned long *mem_start,  in scan_dt_build_strings()  argument
2478 		namep = make_room(mem_start, mem_end, MAX_PROPERTY_NAME, 1);  in scan_dt_build_strings()
2481 			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2487  			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2494 			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2498 			*mem_start = (unsigned long)namep + prom_strlen(namep) + 1;  in scan_dt_build_strings()
2499 			dt_string_end = *mem_start;  in scan_dt_build_strings()
2507 		scan_dt_build_strings(child, mem_start, mem_end);  in scan_dt_build_strings()
2512 static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,  in scan_dt_build_struct()  argument
2522 	dt_push_token(OF_DT_BEGIN_NODE, mem_start, mem_end);  in scan_dt_build_struct()
2525 	namep = (char *)*mem_start;  in scan_dt_build_struct()
2526 	room = *mem_end - *mem_start;  in scan_dt_build_struct()
2533 			if (l >= *mem_end - *mem_start)  in scan_dt_build_struct()
2534 				namep = make_room(mem_start, mem_end, l+1, 1);  in scan_dt_build_struct()
2550 		*mem_start = _ALIGN((unsigned long)lp + 1, 4);  in scan_dt_build_struct()
2589 		dt_push_token(OF_DT_PROP, mem_start, mem_end);  in scan_dt_build_struct()
2590 		dt_push_token(l, mem_start, mem_end);  in scan_dt_build_struct()
2591 		dt_push_token(soff, mem_start, mem_end);  in scan_dt_build_struct()
2594 		valp = make_room(mem_start, mem_end, l, 4);  in scan_dt_build_struct()
2596 		*mem_start = _ALIGN(*mem_start, 4);  in scan_dt_build_struct()
2608 			dt_push_token(OF_DT_PROP, mem_start, mem_end);  in scan_dt_build_struct()
2609 			dt_push_token(4, mem_start, mem_end);  in scan_dt_build_struct()
2610 			dt_push_token(soff, mem_start, mem_end);  in scan_dt_build_struct()
2611 			valp = make_room(mem_start, mem_end, 4, 4);  in scan_dt_build_struct()
2619 		scan_dt_build_struct(child, mem_start, mem_end);  in scan_dt_build_struct()
2623 	dt_push_token(OF_DT_END_NODE, mem_start, mem_end);  in scan_dt_build_struct()
2629 	unsigned long mem_start, mem_end, room;  in flatten_device_tree()  local
2644 	mem_start = (unsigned long)alloc_up(room, PAGE_SIZE);  in flatten_device_tree()
2645 	if (mem_start == 0)  in flatten_device_tree()
2647 	mem_end = mem_start + room;  in flatten_device_tree()
2655 	mem_start = _ALIGN(mem_start, 4);  in flatten_device_tree()
2656 	hdr = make_room(&mem_start, &mem_end,  in flatten_device_tree()
2659 	rsvmap = make_room(&mem_start, &mem_end, sizeof(mem_reserve_map), 8);  in flatten_device_tree()
2662 	mem_start = PAGE_ALIGN(mem_start);  in flatten_device_tree()
2663 	dt_string_start = mem_start;  in flatten_device_tree()
2664 	mem_start += 4; /* hole */  in flatten_device_tree()
2667 	namep = make_room(&mem_start, &mem_end, 16, 1);  in flatten_device_tree()
2669 	mem_start = (unsigned long)namep + prom_strlen(namep) + 1;  in flatten_device_tree()
2673 	scan_dt_build_strings(root, &mem_start, &mem_end);  in flatten_device_tree()
2674 	dt_string_end = mem_start;  in flatten_device_tree()
2677 	mem_start = PAGE_ALIGN(mem_start);  in flatten_device_tree()
2678 	dt_struct_start = mem_start;  in flatten_device_tree()
2680 	scan_dt_build_struct(root, &mem_start, &mem_end);  in flatten_device_tree()
2681 	dt_push_token(OF_DT_END, &mem_start, &mem_end);  in flatten_device_tree()
2682 	dt_struct_end = PAGE_ALIGN(mem_start);  in flatten_device_tree()