2291 static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,  in make_room()  argument
2296 	*mem_start = _ALIGN(*mem_start, align);  in make_room()
2297 	while ((*mem_start + needed) > *mem_end) {  in make_room()
2315 	ret = (void *)*mem_start;  in make_room()
2316 	*mem_start += needed;  in make_room()
2321 #define dt_push_token(token, mem_start, mem_end) do { 			\  argument
2322 		void *room = make_room(mem_start, mem_end, 4, 4);	\
2347 					 unsigned long *mem_start,  in scan_dt_build_strings()  argument
2360 		namep = make_room(mem_start, mem_end, MAX_PROPERTY_NAME, 1);  in scan_dt_build_strings()
2363 			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2369  			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2376 			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2380 			*mem_start = (unsigned long)namep + strlen(namep) + 1;  in scan_dt_build_strings()
2381 			dt_string_end = *mem_start;  in scan_dt_build_strings()
2389 		scan_dt_build_strings(child, mem_start, mem_end);  in scan_dt_build_strings()
2394 static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,  in scan_dt_build_struct()  argument
2404 	dt_push_token(OF_DT_BEGIN_NODE, mem_start, mem_end);  in scan_dt_build_struct()
2407 	namep = (char *)*mem_start;  in scan_dt_build_struct()
2408 	room = *mem_end - *mem_start;  in scan_dt_build_struct()
2415 			if (l >= *mem_end - *mem_start)  in scan_dt_build_struct()
2416 				namep = make_room(mem_start, mem_end, l+1, 1);  in scan_dt_build_struct()
2432 		*mem_start = _ALIGN((unsigned long)lp + 1, 4);  in scan_dt_build_struct()
2471 		dt_push_token(OF_DT_PROP, mem_start, mem_end);  in scan_dt_build_struct()
2472 		dt_push_token(l, mem_start, mem_end);  in scan_dt_build_struct()
2473 		dt_push_token(soff, mem_start, mem_end);  in scan_dt_build_struct()
2476 		valp = make_room(mem_start, mem_end, l, 4);  in scan_dt_build_struct()
2478 		*mem_start = _ALIGN(*mem_start, 4);  in scan_dt_build_struct()
2493 			dt_push_token(OF_DT_PROP, mem_start, mem_end);  in scan_dt_build_struct()
2494 			dt_push_token(4, mem_start, mem_end);  in scan_dt_build_struct()
2495 			dt_push_token(soff, mem_start, mem_end);  in scan_dt_build_struct()
2496 			valp = make_room(mem_start, mem_end, 4, 4);  in scan_dt_build_struct()
2504 		scan_dt_build_struct(child, mem_start, mem_end);  in scan_dt_build_struct()
2508 	dt_push_token(OF_DT_END_NODE, mem_start, mem_end);  in scan_dt_build_struct()
2514 	unsigned long mem_start, mem_end, room;  in flatten_device_tree()  local
2529 	mem_start = (unsigned long)alloc_up(room, PAGE_SIZE);  in flatten_device_tree()
2530 	if (mem_start == 0)  in flatten_device_tree()
2532 	mem_end = mem_start + room;  in flatten_device_tree()
2540 	mem_start = _ALIGN(mem_start, 4);  in flatten_device_tree()
2541 	hdr = make_room(&mem_start, &mem_end,  in flatten_device_tree()
2544 	rsvmap = make_room(&mem_start, &mem_end, sizeof(mem_reserve_map), 8);  in flatten_device_tree()
2547 	mem_start = PAGE_ALIGN(mem_start);  in flatten_device_tree()
2548 	dt_string_start = mem_start;  in flatten_device_tree()
2549 	mem_start += 4; /* hole */  in flatten_device_tree()
2552 	namep = make_room(&mem_start, &mem_end, 16, 1);  in flatten_device_tree()
2554 	mem_start = (unsigned long)namep + strlen(namep) + 1;  in flatten_device_tree()
2558 	scan_dt_build_strings(root, &mem_start, &mem_end);  in flatten_device_tree()
2559 	dt_string_end = mem_start;  in flatten_device_tree()
2562 	mem_start = PAGE_ALIGN(mem_start);  in flatten_device_tree()
2563 	dt_struct_start = mem_start;  in flatten_device_tree()
2565 	scan_dt_build_struct(root, &mem_start, &mem_end);  in flatten_device_tree()
2566 	dt_push_token(OF_DT_END, &mem_start, &mem_end);  in flatten_device_tree()
2567 	dt_struct_end = PAGE_ALIGN(mem_start);  in flatten_device_tree()