LSM 커널 모듈로 프로그래밍 테스트 중..

[root@localhost lsm]# uname -r
2.6.10-1.14_FC2

[root@localhost lsm]# find /lib/modules/2.6.10-1.1
2.6.10-1.12_FC2  2.6.10-1.14_FC2  
[root@localhost lsm]# find /lib/modules/2.6.10-1.14_FC2/build/include/  | xargs grep "register_security"
/lib/modules/2.6.10-1.14_FC2/build/include/linux/security.h: * @register_security:
/lib/modules/2.6.10-1.14_FC2/build/include/linux/security.h: * @unregister_security:
/lib/modules/2.6.10-1.14_FC2/build/include/linux/security.h:    int (*register_security) (const char *name,
/lib/modules/2.6.10-1.14_FC2/build/include/linux/security.h:    int (*unregister_security) (const char *name,
/lib/modules/2.6.10-1.14_FC2/build/include/linux/security.h:extern int register_security        (struct security_operations *ops);
/lib/modules/2.6.10-1.14_FC2/build/include/linux/security.h:extern int unregister_security      (struct security_operations *ops);

[root@localhost lsm]# cat st.c
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/security.h>

static int rootplug_task_setuid (uid_t id0, uid_t id1, uid_t id2, int flags)
{
        return 0;
}

static struct security_operations lsrc_security_ops = {
        .task_setuid =  rootplug_task_setuid,
};


static int __init rootplug_init (void)
{
        register_security (&lsrc_security_ops);
}

static void __exit rootplug_exit (void)
{
        unregister_security (&lsrc_security_ops);
}
module_init (rootplug_init);
module_exit (rootplug_exit);


MODULE_DESCRIPTION("LSM module");
MODULE_LICENSE("GPL");

[root@localhost lsm]# gcc st.c -I/lib/modules/`uname -r`/build/include/ -D__KERNEL__
/usr/lib/gcc-lib/i386-redhat-linux/3.3.3/../../../crt1.o(.text+0x18): In function `_start':
: undefined reference to `main'
/tmp/cccIVaHb.o(.init.text+0xf): In function `rootplug_init':
: undefined reference to `register_security'
/tmp/cccIVaHb.o(.exit.text+0xf): In function `rootplug_exit':
: undefined reference to `unregister_security'
collect2: ld returned 1 exit status

분명히 security.h 에 정의 되어 있는데 왜 에러가 -_-;;;;;

ㅠ.ㅠ 엄청 삽질중이네요 -_-;;