diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index ee44d34..cd7111b 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -183,7 +183,7 @@
  * this value is set in page as a private data which indicate that
  * the page is atomically written, and it is in inmem_pages list.
  */
-#define ATOMIC_WRITTEN_PAGE		0x0000ffff
+#define ATOMIC_WRITTEN_PAGE		((unsigned long)-1)
 
 #define IS_ATOMIC_WRITTEN_PAGE(page)			\
 		(page_private(page) == (unsigned long)ATOMIC_WRITTEN_PAGE)