__kfifo_to_user_r  627 include/linux/kfifo.h 	__kfifo_to_user_r(__kfifo, __to, __len, __copied, __recsize) : \
__kfifo_to_user_r  797 include/linux/kfifo.h extern int __kfifo_to_user_r(struct __kfifo *fifo, void __user *to,
__kfifo_to_user_r  546 lib/kfifo.c    EXPORT_SYMBOL(__kfifo_to_user_r);