diff --git a/fs/direct-io.c b/fs/direct-io.c
index 02ccf766903c0e3ce69c06629740f55d1c94ac1f..c1e03ae961af07e5bf87a6cc4773de96ee9a95fb 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -39,7 +39,7 @@
 
 /*
  * How many user pages to map in one call to get_user_pages().  This determines
- * the size of a structure on the stack.
+ * the size of a structure in the slab cache
  */
 #define DIO_PAGES	64