diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 09bfffb08a56db285caa27146202f04e2188b480..40fc39d22d53a3e8ca25122154861877cf946f94 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -6,7 +6,7 @@
  */
 
 struct kmem_cache {
-/* 1) Cache tunables. Protected by cache_chain_mutex */
+/* 1) Cache tunables. Protected by slab_mutex */
 	unsigned int batchcount;
 	unsigned int limit;
 	unsigned int shared;