diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 74138c9a22b982a9a74fb4076e41826a0d56c3b5..0166ea15c9ee8d61f08ddc6e100de841e59205c7 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -750,6 +750,7 @@ int clear_page_dirty_for_io(struct page *page)
 	}
 	return TestClearPageDirty(page);
 }
+EXPORT_SYMBOL(clear_page_dirty_for_io);
 
 int test_clear_page_writeback(struct page *page)
 {