redhat9下编译模块内核版本问题

eletra

[root@eletra test]# insmod hello.o
hello.o: kernel-module version mismatch
        hello.o was compiled for kernel version 2.4.20
        while this kernel is version 2.4.20-8.
[root@eletra test]#
编译和加载都是同一环境,为何出现版本不对,请指教