diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 1cf431d04a46..b8607c3fee4b 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -2281,7 +2281,7 @@ static struct sw_flow_actions *nla_alloc_flow_actions(int size)
 
 	WARN_ON_ONCE(size > MAX_ACTIONS_BUFSIZE);
 
-	sfa = kmalloc(sizeof(*sfa) + size, GFP_KERNEL);
+	sfa = kmalloc(kmalloc_size_roundup(sizeof(*sfa) + size), GFP_KERNEL);
 	if (!sfa)
 		return ERR_PTR(-ENOMEM);