From nobody Mon Feb 9 03:47:31 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E78F2C001DF for ; Tue, 25 Jul 2023 11:50:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231486AbjGYLur (ORCPT ); Tue, 25 Jul 2023 07:50:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232905AbjGYLuR (ORCPT ); Tue, 25 Jul 2023 07:50:17 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE0762118 for ; Tue, 25 Jul 2023 04:49:58 -0700 (PDT) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4R9Fc23K9JztRl4; Tue, 25 Jul 2023 19:46:26 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Tue, 25 Jul 2023 19:49:39 +0800 From: Ruan Jinjie To: , , , , , , , , , , CC: Subject: [PATCH -next] sched/fair: Use struct_size() Date: Tue, 25 Jul 2023 19:50:20 +0000 Message-ID: <20230725195020.3469132-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use struct_size() instead of hand-writing it, when allocating a structure with a flex array. This is less verbose. Signed-off-by: Ruan Jinjie --- kernel/sched/fair.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index f8b71ea5948b..cc041a48100f 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2889,9 +2889,8 @@ static void task_numa_group(struct task_struct *p, in= t cpupid, int flags, int i; =20 if (unlikely(!deref_curr_numa_group(p))) { - unsigned int size =3D sizeof(struct numa_group) + - NR_NUMA_HINT_FAULT_STATS * - nr_node_ids * sizeof(unsigned long); + unsigned int size =3D struct_size(grp, faults, + NR_NUMA_HINT_FAULT_STATS * nr_node_ids); =20 grp =3D kzalloc(size, GFP_KERNEL | __GFP_NOWARN); if (!grp) --=20 2.34.1