+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,4))
+ #include <linux/kthread.h>
+ #define can_kthread_create kthread_create
+ #define can_kthread_run kthread_run
+ #define can_kthread_bind kthread_bind
+ #define can_kthread_stop kthread_stop
+ #define can_kthread_should_stop kthread_should_stop
+#else
+ #define can_kthread_create
+ #define can_kthread_run
+ #define can_kthread_bind
+ #define can_kthread_stop
+ #define can_kthread_should_stop
+#endif
+
+