__physmem_alloc_range
addr = __physmem_alloc_range(size, align, min, max, 0, NULL, die_on_oom);
addr = __physmem_alloc_range(size, align, 0, physmem_alloc_pos, physmem_alloc_ranges,
addr = __physmem_alloc_range(sizeof(struct reserved_range), 0, 0,
addr = __physmem_alloc_range(size, align, 0, addr, ranges_left,