From patchwork Fri Sep 23 03:33:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Shixin X-Patchwork-Id: 12986081 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DCA5ECAAD8 for ; Fri, 23 Sep 2022 03:00:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C5817940009; Thu, 22 Sep 2022 23:00:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C081C940007; Thu, 22 Sep 2022 23:00:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AF6FC940009; Thu, 22 Sep 2022 23:00:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id A0068940007 for ; Thu, 22 Sep 2022 23:00:15 -0400 (EDT) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 738F1AA5EA for ; Fri, 23 Sep 2022 03:00:15 +0000 (UTC) X-FDA: 79941846390.23.08950B2 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by imf24.hostedemail.com (Postfix) with ESMTP id B81D7180014 for ; Fri, 23 Sep 2022 03:00:14 +0000 (UTC) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MYcH15JCVzWgnw; Fri, 23 Sep 2022 10:56:13 +0800 (CST) Received: from dggpemm100009.china.huawei.com (7.185.36.113) by dggpemm500023.china.huawei.com (7.185.36.83) 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 11:00:11 +0800 From: Liu Shixin To: Andrew Morton , David Hildenbrand , Waiman Long , Zefan Li , Christoph Lameter CC: , , Liu Shixin , Kefeng Wang Subject: [PATCH v4 5/8] mm/mm_init.c: use hotplug_memory_notifier() directly Date: Fri, 23 Sep 2022 11:33:44 +0800 Message-ID: <20220923033347.3935160-6-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 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 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1663902015; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0BDdoCgAecyNVzqEU0QE8VxODYXiGcDvZ120MwiRPok=; b=1UQVXCCqQFx1RjbG7FOY73iDM0/jsjVt5MuCa9Bk5z0HM350nBPnsClNbIXyWo8vp9hN3n emOIiddbVzm36fK+nl5ds2L6A35KQtR+jtF/GrB79Z7POX4iSGEP/nYuyFJR48A/NO3Xgy vVOVr7TZI0iOcQg8+ECE0eKtj9nusLM= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf24.hostedemail.com: domain of liushixin2@huawei.com designates 45.249.212.188 as permitted sender) smtp.mailfrom=liushixin2@huawei.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1663902015; a=rsa-sha256; cv=none; b=KKHRFFD70GjoT0BHbDFsoVvXCKIia/21ggr533FQilG0QmqaAPXzlcYy4IV4Al8t8yQQFQ m6Ls1AG+44Rxb1KbUFEQM7dxkO0euCnZIGzu+c+tWre2nyoYQmVkYbRKJZLzaHq7qXDuxC g7E9Ifg5+QYGiyVdzjZsxE+/jO64Xco= Authentication-Results: imf24.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf24.hostedemail.com: domain of liushixin2@huawei.com designates 45.249.212.188 as permitted sender) smtp.mailfrom=liushixin2@huawei.com X-Rspam-User: X-Stat-Signature: 4ue1bf4no6noa9zm96kyndngto9k67ti X-Rspamd-Queue-Id: B81D7180014 X-Rspamd-Server: rspam06 X-HE-Tag: 1663902014-233454 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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/mm_init.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/mm/mm_init.c b/mm/mm_init.c index 0d7b2bd2454a..44aadc162d1f 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -178,16 +178,10 @@ static int __meminit mm_compute_batch_notifier(struct notifier_block *self, return NOTIFY_OK; } -static struct notifier_block compute_batch_nb __meminitdata = { - .notifier_call = mm_compute_batch_notifier, - .priority = IPC_CALLBACK_PRI, /* use lowest priority */ -}; - static int __init mm_compute_batch_init(void) { mm_compute_batch(sysctl_overcommit_memory); - register_hotmemory_notifier(&compute_batch_nb); - + hotplug_memory_notifier(mm_compute_batch_notifier, IPC_CALLBACK_PRI); return 0; }