squash in
diff --git a/mm/frontswap.c b/mm/frontswap.c
index c84fc3b..9231233 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -169,7 +169,8 @@
/*
* Called when a swap device is swapon'd.
*
- * Can be called without any backend driver is registered.
+ * Can be called before (or after) the backend driver has called
+ * frontswap_register_ops.
*/
void __frontswap_init(unsigned type, unsigned long *map)
{
@@ -295,7 +296,8 @@
* Invalidate all data from frontswap associated with all offsets for the
* specified swaptype.
*
- * Can be called without any backend driver registered.
+ * Can be called before (or after) the backend driver has called
+ * frontswap_register_ops.
*/
void __frontswap_invalidate_area(unsigned type)
{
