depmod: WARNING: could not open /lib/modules/2.6.18/modules.order: No such file or directory

Ubutun16编译内核linux2.6.18，命令sudo make modules_install,出现错误if [ -r System.map -a -x /sbin/depmod ]; then /sbin/depmod -ae -F System.map 2.6.18; fi
depmod: WARNING: could not open /lib/modules/2.6.18/modules.order: No such file or directory
depmod: WARNING: could not open /lib/modules/2.6.18/modules.builtin: No such file or directory