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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 B6579C433E6 for ; Tue, 22 Dec 2020 19:17:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 851EB23133 for ; Tue, 22 Dec 2020 19:17:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727639AbgLVTQh (ORCPT ); Tue, 22 Dec 2020 14:16:37 -0500 Received: from m12-12.163.com ([220.181.12.12]:48995 "EHLO m12-12.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727554AbgLVTQg (ORCPT ); Tue, 22 Dec 2020 14:16:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Message-ID:MIME-Version; bh=580Ow Nj9VQTuck9gYalATYntiA58Tf9ffgntFB1gstw=; b=HOE4TajeV3EHosIXZ8/UX gTvu3dQ6R3ZWF8I3IjuFWlf8CTrtAqiCZhP7HsFltCK7I3GnFA7TO+k3wraWF0V1 a8ZaSKgJJ6jFqCUv14XqZG3hJ/bwHr3vhaPm4kef4eDxmeAg+Qel0cNIw0ryB7tD nwj2nVLKyDB9xjkywJJxJo= Received: from localhost (unknown [101.86.213.121]) by smtp8 (Coremail) with SMTP id DMCowADHMNyXOuJfSqqNIQ--.57720S2; Wed, 23 Dec 2020 02:27:35 +0800 (CST) Date: Wed, 23 Dec 2020 02:27:35 +0800 From: sh To: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: sh_def@163.com Subject: [PATCH] mm/page_reporting: use list_entry_is_head() in page_reporting_cycle() Message-ID: <20201222182735.GA1257912@ubuntu-A520I-AC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-CM-TRANSID: DMCowADHMNyXOuJfSqqNIQ--.57720S2 X-Coremail-Antispam: 1Uf129KBjvdXoWruFWfJw1fXF1kWr1xuw45Jrb_yoW3Arc_u3 yI93WkWrnxtrs29r1UA3WfKFnxJw4UCr4fJr4xtF1rtryUGrs8WFZ5AwnI9rW3WrW3u343 uw1DXFy7ur17XjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUbFAp7UUUUU== X-Originating-IP: [101.86.213.121] X-CM-SenderInfo: xvkbvvri6rljoofrz/xtbBDhgDX1rbLou8CQAAsb Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org replace '&next->lru != list' with list_entry_is_head(). No functional change. Signed-off-by: sh --- mm/page_reporting.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_reporting.c b/mm/page_reporting.c index cd8e13d41df4..c50d93ffa252 100644 --- a/mm/page_reporting.c +++ b/mm/page_reporting.c @@ -211,7 +211,7 @@ page_reporting_cycle(struct page_reporting_dev_info *prdev, struct zone *zone, } /* Rotate any leftover pages to the head of the freelist */ - if (&next->lru != list && !list_is_first(&next->lru, list)) + if (!list_entry_is_head(next, list, lru) && !list_is_first(&next->lru, list)) list_rotate_to_front(&next->lru, list); spin_unlock_irq(&zone->lock); -- 2.25.1