You can use method signed by EXPORT_SYMBOL(xxx) on other modules (something like public method on module that other module can import and use it) -----Original Message----- From: kernelnewbies-bounces@xxxxxxxxxxxxxxxxx [mailto:kernelnewbies-bounces@xxxxxxxxxxxxxxxxx] On Behalf Of horseriver Sent: Monday, January 28, 2013 11:43 PM To: kernelnewbies@xxxxxxxxxxxxxxxxx Subject: use of EXPORT_SYMBOL() hi:) In kernel code ,what is the use of EXPORT_SYMBOL()? Does it export a function to user application , so this function can be used in user application ? thanks! _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies