+
+int generic_remap_file_range_prep(struct file *file_in, loff_t pos_in,
+ struct file *file_out, loff_t pos_out,
+ loff_t *len, unsigned int remap_flags)
+{
+ return __generic_remap_file_range_prep(file_in, pos_in, file_out,
+ pos_out, len, remap_flags, NULL);
+}