2449 static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,  in make_room()  argument
2454 	*mem_start = ALIGN(*mem_start, align);  in make_room()
2455 	while ((*mem_start + needed) > *mem_end) {  in make_room()
2473 	ret = (void *)*mem_start;  in make_room()
2474 	*mem_start += needed;  in make_room()
2479 #define dt_push_token(token, mem_start, mem_end) do { 			\  argument
2480 		void *room = make_room(mem_start, mem_end, 4, 4);	\
2505 					 unsigned long *mem_start,  in scan_dt_build_strings()  argument
2518 		namep = make_room(mem_start, mem_end, MAX_PROPERTY_NAME, 1);  in scan_dt_build_strings()
2521 			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2527  			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2534 			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2538 			*mem_start = (unsigned long)namep + prom_strlen(namep) + 1;  in scan_dt_build_strings()
2539 			dt_string_end = *mem_start;  in scan_dt_build_strings()
2547 		scan_dt_build_strings(child, mem_start, mem_end);  in scan_dt_build_strings()
2552 static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,  in scan_dt_build_struct()  argument
2562 	dt_push_token(OF_DT_BEGIN_NODE, mem_start, mem_end);  in scan_dt_build_struct()
2565 	namep = (char *)*mem_start;  in scan_dt_build_struct()
2566 	room = *mem_end - *mem_start;  in scan_dt_build_struct()
2573 			if (l >= *mem_end - *mem_start)  in scan_dt_build_struct()
2574 				namep = make_room(mem_start, mem_end, l+1, 1);  in scan_dt_build_struct()
2590 		*mem_start = ALIGN((unsigned long)lp + 1, 4);  in scan_dt_build_struct()
2629 		dt_push_token(OF_DT_PROP, mem_start, mem_end);  in scan_dt_build_struct()
2630 		dt_push_token(l, mem_start, mem_end);  in scan_dt_build_struct()
2631 		dt_push_token(soff, mem_start, mem_end);  in scan_dt_build_struct()
2634 		valp = make_room(mem_start, mem_end, l, 4);  in scan_dt_build_struct()
2636 		*mem_start = ALIGN(*mem_start, 4);  in scan_dt_build_struct()
2648 			dt_push_token(OF_DT_PROP, mem_start, mem_end);  in scan_dt_build_struct()
2649 			dt_push_token(4, mem_start, mem_end);  in scan_dt_build_struct()
2650 			dt_push_token(soff, mem_start, mem_end);  in scan_dt_build_struct()
2651 			valp = make_room(mem_start, mem_end, 4, 4);  in scan_dt_build_struct()
2659 		scan_dt_build_struct(child, mem_start, mem_end);  in scan_dt_build_struct()
2663 	dt_push_token(OF_DT_END_NODE, mem_start, mem_end);  in scan_dt_build_struct()
2669 	unsigned long mem_start, mem_end, room;  in flatten_device_tree()  local
2684 	mem_start = (unsigned long)alloc_up(room, PAGE_SIZE);  in flatten_device_tree()
2685 	if (mem_start == 0)  in flatten_device_tree()
2687 	mem_end = mem_start + room;  in flatten_device_tree()
2695 	mem_start = ALIGN(mem_start, 4);  in flatten_device_tree()
2696 	hdr = make_room(&mem_start, &mem_end,  in flatten_device_tree()
2699 	rsvmap = make_room(&mem_start, &mem_end, sizeof(mem_reserve_map), 8);  in flatten_device_tree()
2702 	mem_start = PAGE_ALIGN(mem_start);  in flatten_device_tree()
2703 	dt_string_start = mem_start;  in flatten_device_tree()
2704 	mem_start += 4; /* hole */  in flatten_device_tree()
2707 	namep = make_room(&mem_start, &mem_end, 16, 1);  in flatten_device_tree()
2709 	mem_start = (unsigned long)namep + prom_strlen(namep) + 1;  in flatten_device_tree()
2713 	scan_dt_build_strings(root, &mem_start, &mem_end);  in flatten_device_tree()
2714 	dt_string_end = mem_start;  in flatten_device_tree()
2717 	mem_start = PAGE_ALIGN(mem_start);  in flatten_device_tree()
2718 	dt_struct_start = mem_start;  in flatten_device_tree()
2720 	scan_dt_build_struct(root, &mem_start, &mem_end);  in flatten_device_tree()
2721 	dt_push_token(OF_DT_END, &mem_start, &mem_end);  in flatten_device_tree()
2722 	dt_struct_end = PAGE_ALIGN(mem_start);  in flatten_device_tree()