2483 		unsigned long room, chunk;  in make_room()  local
2487 		room = alloc_top - alloc_bottom;  in make_room()
2488 		if (room > DEVTREE_CHUNK_SIZE)  in make_room()
2489 			room = DEVTREE_CHUNK_SIZE;  in make_room()
2490 		if (room < PAGE_SIZE)  in make_room()
2493 		chunk = alloc_up(room, 0);  in make_room()
2497 		*mem_end = chunk + room;  in make_room()
2507 		void *room = make_room(mem_start, mem_end, 4, 4);	\
2508 		*(__be32 *)room = cpu_to_be32(token);			\
2587 	int l, room, has_phandle = 0;  in scan_dt_build_struct()  local
2593 	room = *mem_end - *mem_start;  in scan_dt_build_struct()
2594 	if (room > 255)  in scan_dt_build_struct()
2595 		room = 255;  in scan_dt_build_struct()
2596 	l = call_prom("package-to-path", 3, 1, node, namep, room);  in scan_dt_build_struct()
2599 		if (l >= room) {  in scan_dt_build_struct()
2696 	unsigned long mem_start, mem_end, room;  in flatten_device_tree()  local
2705 	room = alloc_top - alloc_bottom - 0x4000;  in flatten_device_tree()
2706 	if (room > DEVTREE_CHUNK_SIZE)  in flatten_device_tree()
2707 		room = DEVTREE_CHUNK_SIZE;  in flatten_device_tree()
2711 	mem_start = (unsigned long)alloc_up(room, PAGE_SIZE);  in flatten_device_tree()
2714 	mem_end = mem_start + room;  in flatten_device_tree()