__kfifo_to_user   628 include/linux/kfifo.h 	__kfifo_to_user(__kfifo, __to, __len, __copied); \
__kfifo_to_user   775 include/linux/kfifo.h extern int __kfifo_to_user(struct __kfifo *fifo,
__kfifo_to_user   293 lib/kfifo.c    EXPORT_SYMBOL(__kfifo_to_user);