diff --git a/mm/slab_common.c b/mm/slab_common.c
index 538bade6df7dc2a3f27c9ad5ac5f0efc8a6d08bc..f0410eb617410015209d536104acd925f49096c4 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -373,7 +373,7 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags)
 {
 	int index;
 
-	if (size > KMALLOC_MAX_SIZE) {
+	if (unlikely(size > KMALLOC_MAX_SIZE)) {
 		WARN_ON_ONCE(!(flags & __GFP_NOWARN));
 		return NULL;
 	}