diff --git a/fs/dax.c b/fs/dax.c
index 675fab8ec41f..5214ed9ba508 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1435,7 +1435,8 @@ static int dax_iomap_pmd_fault(struct vm_fault *vmf,
 /**
  * dax_iomap_fault - handle a page fault on a DAX file
  * @vmf: The description of the fault
- * @ops: iomap ops passed from the file system
+ * @pe_size: Size of the page to fault in
+ * @ops: Iomap ops passed from the file system
  *
  * When a page fault occurs, filesystems may call this helper in
  * their fault handler for DAX files. dax_iomap_fault() assumes the caller