From patchwork Thu Sep 22 14:19:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Shixin X-Patchwork-Id: 12985141 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 95EC4C6FA82 for ; Thu, 22 Sep 2022 13:45:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 07F7F80007; Thu, 22 Sep 2022 09:45:25 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 033DC8000B; Thu, 22 Sep 2022 09:45:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C174C80007; Thu, 22 Sep 2022 09:45:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id A82008000B for ; Thu, 22 Sep 2022 09:45:24 -0400 (EDT) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 86F661608DC for ; Thu, 22 Sep 2022 13:45:24 +0000 (UTC) X-FDA: 79939843368.22.562143E Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by imf13.hostedemail.com (Postfix) with ESMTP id D55A120050 for ; Thu, 22 Sep 2022 13:45:23 +0000 (UTC) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MYGgB5DbHzpTws; Thu, 22 Sep 2022 21:42:30 +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; Thu, 22 Sep 2022 21:45:20 +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; Thu, 22 Sep 2022 21:45:20 +0800 From: Liu Shixin To: Andrew Morton , David Hildenbrand , Waiman Long , Zefan Li , Christoph Lameter CC: , , Liu Shixin , Kefeng Wang Subject: [PATCH v3 5/8] mm/mm_init.c: use hotplug_memory_notifier() directly Date: Thu, 22 Sep 2022 22:19:01 +0800 Message-ID: <20220922141904.3245505-6-liushixin2@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220922141904.3245505-1-liushixin2@huawei.com> References: <20220922141904.3245505-1-liushixin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm100009.china.huawei.com (7.185.36.113) X-CFilter-Loop: Reflected ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1663854324; a=rsa-sha256; cv=none; b=Nu9148MUgpfJRhGPIZ01A9Wp2UERouh9Z/222Ry/JtbYpPxREsIGiuD3DOz2WXZozAnnn1 5JByhEsyIA9y67LooBd+KH0l1WrjsjiZgprDVztR2NlJBHOqrFXq7QxbKBZ+GFea2J67q9 sB6BrsAJNC7MFetH2HPa/h2YtQm++p0= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf13.hostedemail.com: domain of liushixin2@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=liushixin2@huawei.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1663854324; 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=79P+nn/NVK/m0zJHqYKjVUbwkDP3QoT7GGULTNElq/k=; b=cLMgq/0rFaco462LXwumYXu3hZVaNXR0ZDH8/FaNJho1ZaFxnyjx5W0Sdan6Ac5KEi0QZr LZoH58CtmjjEs+nI5W2+87Uze3nlI7C1+1+bfdPwVEdPEendO4drgh199jxvYzok+Boafj TIm2sDOcp91xfXNJckZ0XMoh5tquZJM= X-Rspamd-Server: rspam04 X-Rspam-User: X-Rspamd-Queue-Id: D55A120050 Authentication-Results: imf13.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf13.hostedemail.com: domain of liushixin2@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=liushixin2@huawei.com X-Stat-Signature: c3dtrz1udixk7mrcmr6a77kkezs46458 X-HE-Tag: 1663854323-24101 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 --- 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; }