From nobody Thu Apr 2 16:37:26 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 B3595C6FA8B for ; Fri, 23 Sep 2022 03:00:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231754AbiIWDAX (ORCPT ); Thu, 22 Sep 2022 23:00:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230042AbiIWDAQ (ORCPT ); Thu, 22 Sep 2022 23:00:16 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8011C659D8 for ; Thu, 22 Sep 2022 20:00:11 -0700 (PDT) Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4MYcGm5Nhzz1P6nv; Fri, 23 Sep 2022 10:56:00 +0800 (CST) Received: from dggpemm100009.china.huawei.com (7.185.36.113) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 23 Sep 2022 11:00:09 +0800 Received: from huawei.com (10.175.113.32) by dggpemm100009.china.huawei.com (7.185.36.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 23 Sep 2022 11:00:09 +0800 From: Liu Shixin To: Andrew Morton , David Hildenbrand , Waiman Long , Zefan Li , Christoph Lameter CC: , , Liu Shixin , Kefeng Wang Subject: [PATCH v4 1/8] cgroup/cpuset: use hotplug_memory_notifier() directly Date: Fri, 23 Sep 2022 11:33:40 +0800 Message-ID: <20220923033347.3935160-2-liushixin2@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220923033347.3935160-1-liushixin2@huawei.com> References: <20220923033347.3935160-1-liushixin2@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm100009.china.huawei.com (7.185.36.113) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Since patch 316346243be6 has already updated the minimum gcc version to 5.1. The previous problem mentioned in patch f02c69680088 is not existed. So we can now revert to use hotplug_memory_notifier() directly rather than register_hotmemory_notifier(). Signed-off-by: Liu Shixin Reviewed-by: David Hildenbrand --- kernel/cgroup/cpuset.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index b474289c15b8..0c6db6a4f427 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -3630,11 +3630,6 @@ static int cpuset_track_online_nodes(struct notifier= _block *self, return NOTIFY_OK; } =20 -static struct notifier_block cpuset_track_online_nodes_nb =3D { - .notifier_call =3D cpuset_track_online_nodes, - .priority =3D 10, /* ??! */ -}; - /** * cpuset_init_smp - initialize cpus_allowed * @@ -3652,7 +3647,7 @@ void __init cpuset_init_smp(void) cpumask_copy(top_cpuset.effective_cpus, cpu_active_mask); top_cpuset.effective_mems =3D node_states[N_MEMORY]; =20 - register_hotmemory_notifier(&cpuset_track_online_nodes_nb); + hotplug_memory_notifier(cpuset_track_online_nodes, 10); =20 cpuset_migrate_mm_wq =3D alloc_ordered_workqueue("cpuset_migrate_mm", 0); BUG_ON(!cpuset_migrate_mm_wq); --=20 2.25.1