diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 7de85ac08d29..e2e41de55c02 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -452,6 +452,7 @@ static struct kmemleak_object *mem_pool_alloc(gfp_t gfp)
 {
 	unsigned long flags;
 	struct kmemleak_object *object;
+	bool warn = false;
 
 	/* try the slab allocator first */
 	if (object_cache) {
@@ -469,8 +470,10 @@ static struct kmemleak_object *mem_pool_alloc(gfp_t gfp)
 	else if (mem_pool_free_count)
 		object = &mem_pool[--mem_pool_free_count];
 	else
-		pr_warn_once("Memory pool empty, consider increasing CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE\n");
+		warn = true;
 	raw_spin_unlock_irqrestore(&kmemleak_lock, flags);
+	if (warn)
+		pr_warn_once("Memory pool empty, consider increasing CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE\n");
 
 	return object;
 }