diff --git a/mm/slab_common.c b/mm/slab_common.c
index ee994ec7f251..e691ede0e6a8 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -45,9 +45,8 @@ struct kmem_cache *kmem_cache;
 /*
  * Set of flags that will prevent slab merging
  */
-#define SLAB_NEVER_MERGE (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \
-		SLAB_TRACE | SLAB_TYPESAFE_BY_RCU | SLAB_NOLEAKTRACE | \
-		SLAB_FAILSLAB | SLAB_NO_MERGE)
+#define SLAB_NEVER_MERGE (SLAB_DEBUG_FLAGS | SLAB_TYPESAFE_BY_RCU | \
+		SLAB_NOLEAKTRACE | SLAB_FAILSLAB | SLAB_NO_MERGE)
 
 #define SLAB_MERGE_SAME (SLAB_RECLAIM_ACCOUNT | SLAB_CACHE_DMA | \
 			 SLAB_CACHE_DMA32 | SLAB_ACCOUNT)