From patchwork Thu Sep 2 12:12:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12471439 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B032C432BE for ; Thu, 2 Sep 2021 12:12:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E103A60F42 for ; Thu, 2 Sep 2021 12:12:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E103A60F42 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 3E6556B0073; Thu, 2 Sep 2021 08:12:28 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3968E6B0075; Thu, 2 Sep 2021 08:12:28 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1E62D6B0073; Thu, 2 Sep 2021 08:12:28 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0079.hostedemail.com [216.40.44.79]) by kanga.kvack.org (Postfix) with ESMTP id 017AB6B0074 for ; Thu, 2 Sep 2021 08:12:27 -0400 (EDT) Received: from smtpin33.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id B57151835229A for ; Thu, 2 Sep 2021 12:12:27 +0000 (UTC) X-FDA: 78542521134.33.D7ABD22 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by imf07.hostedemail.com (Postfix) with ESMTP id 39637100009E for ; Thu, 2 Sep 2021 12:12:27 +0000 (UTC) Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4H0fpN5Hfmzbgbr; Thu, 2 Sep 2021 20:08:28 +0800 (CST) Received: from huawei.com (10.175.124.27) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.8; Thu, 2 Sep 2021 20:12:24 +0800 From: Miaohe Lin To: CC: , , , , , , , Subject: [PATCH v2 4/5] mm/page_alloc.c: use helper function zone_spans_pfn() Date: Thu, 2 Sep 2021 20:12:41 +0800 Message-ID: <20210902121242.41607-5-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210902121242.41607-1-linmiaohe@huawei.com> References: <20210902121242.41607-1-linmiaohe@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected Authentication-Results: imf07.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=huawei.com; spf=pass (imf07.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.188 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com X-Stat-Signature: fyh6m837eubmrd81jusp1co1j1zsxigs X-Rspamd-Queue-Id: 39637100009E X-Rspamd-Server: rspam04 X-HE-Tag: 1630584747-442779 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: Use helper function zone_spans_pfn() to check whether pfn is within a zone to simplify the code slightly. Signed-off-by: Miaohe Lin Acked-by: Mel Gorman Reviewed-by: David Hildenbrand --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index f7fcbac2d091..9c09dcb24149 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1581,7 +1581,7 @@ static void __meminit init_reserved_page(unsigned long pfn) for (zid = 0; zid < MAX_NR_ZONES; zid++) { struct zone *zone = &pgdat->node_zones[zid]; - if (pfn >= zone->zone_start_pfn && pfn < zone_end_pfn(zone)) + if (zone_spans_pfn(zone, pfn)) break; } __init_single_page(pfn_to_page(pfn), pfn, zid, nid);