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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v16-20020aa799d0000000b0064d2c5f0995si6721816pfi.235.2023.06.12.06.17.23; Mon, 12 Jun 2023 06:17:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235464AbjFLMvO (ORCPT + 99 others); Mon, 12 Jun 2023 08:51:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38658 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235386AbjFLMvM (ORCPT ); Mon, 12 Jun 2023 08:51:12 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABE8AE52 for ; Mon, 12 Jun 2023 05:51:10 -0700 (PDT) Received: from kwepemm600020.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Qfs0z6s95zLq6v; Mon, 12 Jun 2023 20:48:03 +0800 (CST) Received: from localhost.localdomain (10.175.112.125) by kwepemm600020.china.huawei.com (7.193.23.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Mon, 12 Jun 2023 20:51:07 +0800 From: Peng Zhang To: , , , CC: , , ZhangPeng Subject: [PATCH] memblock: use the helper macro for_each_zone Date: Mon, 12 Jun 2023 20:51:02 +0800 Message-ID: <20230612125102.1674568-1-zhangpeng362@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemm600020.china.huawei.com (7.193.23.147) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768502971545776398?= X-GMAIL-MSGID: =?utf-8?q?1768502971545776398?= From: ZhangPeng Let's use the helper macro for_each_zone to iterate over all memory zones and reset the node managed pages. After that, we can remove the unused function reset_node_managed_pages. Signed-off-by: ZhangPeng --- mm/memblock.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/mm/memblock.c b/mm/memblock.c index da4264528e1e..af552604c3fb 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -2122,23 +2122,15 @@ static unsigned long __init free_low_memory_core_early(void) static int reset_managed_pages_done __initdata; -static void __init reset_node_managed_pages(pg_data_t *pgdat) -{ - struct zone *z; - - for (z = pgdat->node_zones; z < pgdat->node_zones + MAX_NR_ZONES; z++) - atomic_long_set(&z->managed_pages, 0); -} - void __init reset_all_zones_managed_pages(void) { - struct pglist_data *pgdat; + struct zone *z; if (reset_managed_pages_done) return; - for_each_online_pgdat(pgdat) - reset_node_managed_pages(pgdat); + for_each_zone(z) + atomic_long_set(&z->managed_pages, 0); reset_managed_pages_done = 1; }