From mboxrd@z Thu Jan 1 00:00:00 1970 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 7D662C54EE9 for ; Fri, 23 Sep 2022 03:00:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231748AbiIWDA2 (ORCPT ); Thu, 22 Sep 2022 23:00:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230495AbiIWDAQ (ORCPT ); Thu, 22 Sep 2022 23:00:16 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76317659F1 for ; Thu, 22 Sep 2022 20:00:12 -0700 (PDT) Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4MYcK26cDgzHqHF; Fri, 23 Sep 2022 10:57:58 +0800 (CST) Received: from dggpemm100009.china.huawei.com (7.185.36.113) by dggpemm500021.china.huawei.com (7.185.36.109) 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 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 2/8] fs/proc/kcore.c: use hotplug_memory_notifier() directly Date: Fri, 23 Sep 2022 11:33:41 +0800 Message-ID: <20220923033347.3935160-3-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: 7BIT Content-Type: text/plain; charset=US-ASCII 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 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 --- fs/proc/kcore.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index dff921f7ca33..7692a360972d 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -18,7 +18,6 @@ #include #include #include -#include #include #include #include @@ -638,10 +637,6 @@ static int __meminit kcore_callback(struct notifier_block *self, return NOTIFY_OK; } -static struct notifier_block kcore_callback_nb __meminitdata = { - .notifier_call = kcore_callback, - .priority = 0, -}; static struct kcore_list kcore_vmalloc; @@ -694,7 +689,7 @@ static int __init proc_kcore_init(void) add_modules_range(); /* Store direct-map area from physical memory map */ kcore_update_ram(); - register_hotmemory_notifier(&kcore_callback_nb); + hotplug_memory_notifier(kcore_callback, 0); return 0; } -- 2.25.1