Received: by 2002:a05:6a10:c604:0:0:0:0 with SMTP id y4csp638068pxt; Thu, 5 Aug 2021 08:08:26 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwpk7RzE/sJxi/4LxGi40ySMXXwu7tr+uEEejOFy+QAU2kmxO8fX7wkH609WCQyZy0hnTde X-Received: by 2002:a92:1908:: with SMTP id 8mr424227ilz.149.1628176106744; Thu, 05 Aug 2021 08:08:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1628176106; cv=none; d=google.com; s=arc-20160816; b=h6/PWeANOAiumBj1X6VhZxSXIEdbZef1qvCLHegQlgcxgnsSIis2b+v70xGhjIQRkA A8PPcx99/7Holzm0WhhCe9W32za4UlOjq6e8TbA3WDscMZGHVZLYYW/OepCblvACAu8B DNW12vVHCtSA90HsI3KmxVgHa6P4mh/fwGb7PiW74q6lM7rlnX/dkAEVchpo4xQio56a gFWV1JG2GTlTGUEA08iyz5mHHeZ63NJGkOFVvmRAl3EyY/f5u8/OlAIztLzrxa/uhYRA Vdl6NFeyTIIIravb3kcDVvGr4RZgj+Srw61aEiFf8tC/+Cnx0FB43Z/uRQVjF9tI9Xl2 wFMQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:references:in-reply-to :message-id:date:subject:cc:to:from; bh=JiZ4yZE+zan1YWgORnusoWPf2xtr5uBP8w5p5EaEIY0=; b=c63EtjP61mtXcYS9g1IPwuZepEbjhkZiYzlsGxP1GgCYfoM6i1co7GWS6A/bZy5rPc q6tfmPAOlSrCop5ccL8pMy3MmqRDsFeU+Vo1XxTF2yZMBKkoZXLO5xVHlG1t9LpA6U13 atJZD8DKG2qGxDZ0ZTQ1ia+190D3EBw26cd5R+WCex3QylvJ87xzgj475U7BBvHKfMHw jcKLKQMEUFrFKajQyCeg2GQ/xRp5B4VSX906E5LGi4QusN4wsnmrThtPSuiFBeIg1nSL HeU+IQQS0nNZwPFq+4b1Hldouuf4g5Lf5W44yg24IFc3yibj8H+jyx04sMSL8JO+vUT4 bzXQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t23si5412749iog.21.2021.08.05.08.08.13; Thu, 05 Aug 2021 08:08:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241661AbhHEPHB (ORCPT + 99 others); Thu, 5 Aug 2021 11:07:01 -0400 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]:42128 "EHLO out30-130.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233228AbhHEPHA (ORCPT ); Thu, 5 Aug 2021 11:07:00 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=alimailimapcm10staff010182156082;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0Ui3.1cn_1628175969; Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0Ui3.1cn_1628175969) by smtp.aliyun-inc.com(127.0.0.1); Thu, 05 Aug 2021 23:06:09 +0800 From: Baolin Wang To: akpm@linux-foundation.org Cc: baolin.wang@linux.alibaba.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/5] mm: migrate: Change to use bool type for 'page_was_mapped' Date: Thu, 5 Aug 2021 23:05:59 +0800 Message-Id: <11d1f8fc954a83945930a5b11f47e00c063bdc1b.1628174413.git.baolin.wang@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Change to use bool type for 'page_was_mapped' variable making it more readable. Signed-off-by: Baolin Wang --- mm/migrate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 6f048a8..0ab364f 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -957,7 +957,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage, int force, enum migrate_mode mode) { int rc = -EAGAIN; - int page_was_mapped = 0; + bool page_was_mapped = false; struct anon_vma *anon_vma = NULL; bool is_lru = !__PageMovable(page); @@ -1060,7 +1060,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage, VM_BUG_ON_PAGE(PageAnon(page) && !PageKsm(page) && !anon_vma, page); try_to_migrate(page, 0); - page_was_mapped = 1; + page_was_mapped = true; } if (!page_mapped(page)) -- 1.8.3.1