2480 static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,  in make_room()  argument
2485 	*mem_start = ALIGN(*mem_start, align);  in make_room()
2486 	while ((*mem_start + needed) > *mem_end) {  in make_room()
2504 	ret = (void *)*mem_start;  in make_room()
2505 	*mem_start += needed;  in make_room()
2510 #define dt_push_token(token, mem_start, mem_end) do { 			\  argument
2511 		void *room = make_room(mem_start, mem_end, 4, 4);	\
2536 					 unsigned long *mem_start,  in scan_dt_build_strings()  argument
2549 		namep = make_room(mem_start, mem_end, MAX_PROPERTY_NAME, 1);  in scan_dt_build_strings()
2552 			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2558  			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2565 			*mem_start = (unsigned long)namep;  in scan_dt_build_strings()
2569 			*mem_start = (unsigned long)namep + prom_strlen(namep) + 1;  in scan_dt_build_strings()
2570 			dt_string_end = *mem_start;  in scan_dt_build_strings()
2578 		scan_dt_build_strings(child, mem_start, mem_end);  in scan_dt_build_strings()
2583 static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,  in scan_dt_build_struct()  argument
2593 	dt_push_token(OF_DT_BEGIN_NODE, mem_start, mem_end);  in scan_dt_build_struct()
2596 	namep = (char *)*mem_start;  in scan_dt_build_struct()
2597 	room = *mem_end - *mem_start;  in scan_dt_build_struct()
2604 			if (l >= *mem_end - *mem_start)  in scan_dt_build_struct()
2605 				namep = make_room(mem_start, mem_end, l+1, 1);  in scan_dt_build_struct()
2621 		*mem_start = ALIGN((unsigned long)lp + 1, 4);  in scan_dt_build_struct()
2660 		dt_push_token(OF_DT_PROP, mem_start, mem_end);  in scan_dt_build_struct()
2661 		dt_push_token(l, mem_start, mem_end);  in scan_dt_build_struct()
2662 		dt_push_token(soff, mem_start, mem_end);  in scan_dt_build_struct()
2665 		valp = make_room(mem_start, mem_end, l, 4);  in scan_dt_build_struct()
2667 		*mem_start = ALIGN(*mem_start, 4);  in scan_dt_build_struct()
2679 			dt_push_token(OF_DT_PROP, mem_start, mem_end);  in scan_dt_build_struct()
2680 			dt_push_token(4, mem_start, mem_end);  in scan_dt_build_struct()
2681 			dt_push_token(soff, mem_start, mem_end);  in scan_dt_build_struct()
2682 			valp = make_room(mem_start, mem_end, 4, 4);  in scan_dt_build_struct()
2690 		scan_dt_build_struct(child, mem_start, mem_end);  in scan_dt_build_struct()
2694 	dt_push_token(OF_DT_END_NODE, mem_start, mem_end);  in scan_dt_build_struct()
2700 	unsigned long mem_start, mem_end, room;  in flatten_device_tree()  local
2715 	mem_start = (unsigned long)alloc_up(room, PAGE_SIZE);  in flatten_device_tree()
2716 	if (mem_start == 0)  in flatten_device_tree()
2718 	mem_end = mem_start + room;  in flatten_device_tree()
2726 	mem_start = ALIGN(mem_start, 4);  in flatten_device_tree()
2727 	hdr = make_room(&mem_start, &mem_end,  in flatten_device_tree()
2730 	rsvmap = make_room(&mem_start, &mem_end, sizeof(mem_reserve_map), 8);  in flatten_device_tree()
2733 	mem_start = PAGE_ALIGN(mem_start);  in flatten_device_tree()
2734 	dt_string_start = mem_start;  in flatten_device_tree()
2735 	mem_start += 4; /* hole */  in flatten_device_tree()
2738 	namep = make_room(&mem_start, &mem_end, 16, 1);  in flatten_device_tree()
2740 	mem_start = (unsigned long)namep + prom_strlen(namep) + 1;  in flatten_device_tree()
2744 	scan_dt_build_strings(root, &mem_start, &mem_end);  in flatten_device_tree()
2745 	dt_string_end = mem_start;  in flatten_device_tree()
2748 	mem_start = PAGE_ALIGN(mem_start);  in flatten_device_tree()
2749 	dt_struct_start = mem_start;  in flatten_device_tree()
2751 	scan_dt_build_struct(root, &mem_start, &mem_end);  in flatten_device_tree()
2752 	dt_push_token(OF_DT_END, &mem_start, &mem_end);  in flatten_device_tree()
2753 	dt_struct_end = PAGE_ALIGN(mem_start);  in flatten_device_tree()