diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index 68336092bfb4..b1f66480135b 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -120,12 +120,7 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr)
 	array->map.unpriv_array = unpriv;
 
 	/* copy mandatory map attributes */
-	array->map.map_type = attr->map_type;
-	array->map.key_size = attr->key_size;
-	array->map.value_size = attr->value_size;
-	array->map.max_entries = attr->max_entries;
-	array->map.map_flags = attr->map_flags;
-	array->map.numa_node = numa_node;
+	bpf_map_init_from_attr(&array->map, attr);
 	array->elem_size = elem_size;
 
 	if (!percpu)