From nobody Thu Apr 2 16:37:24 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 CC5E6C54EE9 for ; Fri, 23 Sep 2022 03:00:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229551AbiIWDAf (ORCPT ); Thu, 22 Sep 2022 23:00:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231236AbiIWDAQ (ORCPT ); Thu, 22 Sep 2022 23:00:16 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B4816E889 for ; Thu, 22 Sep 2022 20:00:13 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MYcJJ5QMhzpVZh; Fri, 23 Sep 2022 10:57:20 +0800 (CST) Received: from dggpemm100009.china.huawei.com (7.185.36.113) by dggpemm500022.china.huawei.com (7.185.36.162) 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 11:00:11 +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 11:00:10 +0800 From: Liu Shixin To: Andrew Morton , David Hildenbrand , Waiman Long , Zefan Li , Christoph Lameter CC: , , Liu Shixin , Kefeng Wang Subject: [PATCH v4 4/8] mm/mmap: use hotplug_memory_notifier() directly Date: Fri, 23 Sep 2022 11:33:43 +0800 Message-ID: <20220923033347.3935160-5-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 --- mm/mmap.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index 6445fd386f04..5a217378a62a 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -3745,13 +3745,9 @@ static int reserve_mem_notifier(struct notifier_bloc= k *nb, return NOTIFY_OK; } =20 -static struct notifier_block reserve_mem_nb =3D { - .notifier_call =3D reserve_mem_notifier, -}; - static int __meminit init_reserve_notifier(void) { - if (register_hotmemory_notifier(&reserve_mem_nb)) + if (hotplug_memory_notifier(reserve_mem_notifier, 0)) pr_err("Failed registering memory add/remove notifier for admin reserve\= n"); =20 return 0; --=20 2.25.1