diff --git a/include/linux/splice.h b/include/linux/splice.h
index f8cc97f..33e447f 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -41,6 +41,7 @@
 struct partial_page {
 	unsigned int offset;
 	unsigned int len;
+	unsigned long private;
 };
 
 /*