2.6 内核下编译成moudle程序的问题 求助

当我运行make时也能最后生成*.ko 文件，但是出现了好多警告，不知道如何解决呢？
警告类似如下
        我的make 文件 核心部分就几句
    obj-m := dioFuncs.o
   all:
        $(MAKE) -C $(KDIR)  M=$(PWD) modules

我不知道如何让模块来链接到头文件呢，编译已经通过，编译器肯定找到头文件了啊！
多谢各位指点！！！！！！
Warning: "rt_printk" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!
*** Warning: "tpDioMBX" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!
*** Warning: "_rt_mbx_send_if" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!
*** Warning: "tpBedMBX" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!
*** Warning: "rt_sem_signal" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!
*** Warning: "rt_sem_delete" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!
*** Warning: "rt_sem_init" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!
*** Warning: "rt_sleep" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!
*** Warning: "nano2count" [/home/qingdong/ges/dioFuncs/dioFuncs.ko] undefined!