diff --git a/mm/slab.h b/mm/slab.h
index ceb7d70..699b072 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -142,8 +142,23 @@
 #define SLAB_CACHE_FLAGS (0)
 #endif
 
+/* Common flags available with current configuration */
 #define CACHE_CREATE_MASK (SLAB_CORE_FLAGS | SLAB_DEBUG_FLAGS | SLAB_CACHE_FLAGS)
 
+/* Common flags permitted for kmem_cache_create */
+#define SLAB_FLAGS_PERMITTED (SLAB_CORE_FLAGS | \
+			      SLAB_RED_ZONE | \
+			      SLAB_POISON | \
+			      SLAB_STORE_USER | \
+			      SLAB_TRACE | \
+			      SLAB_CONSISTENCY_CHECKS | \
+			      SLAB_MEM_SPREAD | \
+			      SLAB_NOLEAKTRACE | \
+			      SLAB_RECLAIM_ACCOUNT | \
+			      SLAB_TEMPORARY | \
+			      SLAB_NOTRACK | \
+			      SLAB_ACCOUNT)
+
 int __kmem_cache_shutdown(struct kmem_cache *);
 void __kmem_cache_release(struct kmem_cache *);
 int __kmem_cache_shrink(struct kmem_cache *);