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 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,URIBL_BLOCKED,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 04E77C433ED for ; Thu, 1 Apr 2021 02:28:14 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3A09961041 for ; Thu, 1 Apr 2021 02:28:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A09961041 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=uniontech.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id BC1706B0080; Wed, 31 Mar 2021 22:28:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B22506B0081; Wed, 31 Mar 2021 22:28:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9780F6B0082; Wed, 31 Mar 2021 22:28:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0087.hostedemail.com [216.40.44.87]) by kanga.kvack.org (Postfix) with ESMTP id 789116B0080 for ; Wed, 31 Mar 2021 22:28:12 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 262E718079A50 for ; Thu, 1 Apr 2021 02:28:12 +0000 (UTC) X-FDA: 77982213624.22.48300E4 Received: from lucky1.263xmail.com (lucky1.263xmail.com [211.157.147.135]) by imf01.hostedemail.com (Postfix) with ESMTP id 4A2495001526 for ; Thu, 1 Apr 2021 02:28:10 +0000 (UTC) Received: from localhost (unknown [192.168.167.16]) by lucky1.263xmail.com (Postfix) with ESMTP id 46970A83FE; Thu, 1 Apr 2021 10:28:04 +0800 (CST) X-MAIL-GRAY:0 X-MAIL-DELIVERY:1 X-ADDR-CHECKED4:1 X-ANTISPAM-LEVEL:2 X-ABS-CHECKED:0 Received: from localhost.localdomain (unknown [113.57.152.160]) by smtp.263.net (postfix) whith ESMTP id P22964T140517102843648S1617244084217314_; Thu, 01 Apr 2021 10:28:04 +0800 (CST) X-IP-DOMAINF:1 X-UNIQUE-TAG:<4c726a1803186917ae5afbae6c64bdb7> X-RL-SENDER:huxiang@uniontech.com X-SENDER:huxiang@uniontech.com X-LOGIN-NAME:huxiang@uniontech.com X-FST-TO:akpm@linux-foundation.org X-SENDER-IP:113.57.152.160 X-ATTACHMENT-NUM:0 X-System-Flag:0 From: huxiang To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, huxiang Subject: [PATCH] mm/page_alloc: redundant definition variables of pfn in for loop Date: Thu, 1 Apr 2021 10:28:02 +0800 Message-Id: <20210401022802.10358-1-huxiang@uniontech.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 4A2495001526 X-Stat-Signature: xmng3txb6gstjahumcmwrhpwe75gybnc Received-SPF: none (uniontech.com>: No applicable sender policy available) receiver=imf01; identity=mailfrom; envelope-from=""; helo=lucky1.263xmail.com; client-ip=211.157.147.135 X-HE-DKIM-Result: none/none X-HE-Tag: 1617244090-852664 Content-Transfer-Encoding: quoted-printable 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: This variable pfn is defined repeatedly, so it can be deleted. Signed-off-by: huxiang --- 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 cfc728739..740224232 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3277,7 +3277,7 @@ void free_unref_page_list(struct list_head *list) =20 local_irq_save(flags); list_for_each_entry_safe(page, next, list, lru) { - unsigned long pfn =3D page_private(page); + pfn =3D page_private(page); =20 set_page_private(page, 0); trace_mm_page_free_batched(page); --=20 2.20.1