diff --git a/mm/slub.c b/mm/slub.c
index ca71d5b..b72bc98 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2685,6 +2685,7 @@
 }
 EXPORT_SYMBOL(kfree);
 
+#if defined(SLUB_DEBUG) || defined(CONFIG_SLABINFO)
 static unsigned long count_partial(struct kmem_cache_node *n)
 {
 	unsigned long flags;
@@ -2697,6 +2698,7 @@
 	spin_unlock_irqrestore(&n->list_lock, flags);
 	return x;
 }
+#endif
 
 /*
  * kmem_cache_shrink removes empty slabs from the partial lists and sorts