diff --git a/mm/slab.c b/mm/slab.c
index 8fdaffa..57f7aa4 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -4026,7 +4026,7 @@
 
 /**
  * cache_reap - Reclaim memory from caches.
- * @unused: unused parameter
+ * @w: work descriptor
  *
  * Called from workqueue/eventd every few seconds.
  * Purpose: