for_each_free_mem_range_reverse 567 kernel/kexec_file.c for_each_free_mem_range_reverse(i, NUMA_NO_NODE, MEMBLOCK_NONE, for_each_free_mem_range_reverse 232 mm/memblock.c for_each_free_mem_range_reverse(i, nid, flags, &this_start, &this_end,