From patchwork Sat Jul 17 06:59:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12383221 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,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 0FA18C636CA for ; Sat, 17 Jul 2021 06:59:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A086D6101D for ; Sat, 17 Jul 2021 06:59:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A086D6101D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 70F198D00EC; Sat, 17 Jul 2021 02:59:17 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 57FCD8D00F7; Sat, 17 Jul 2021 02:59:17 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 30E328D00F5; Sat, 17 Jul 2021 02:59:17 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0233.hostedemail.com [216.40.44.233]) by kanga.kvack.org (Postfix) with ESMTP id E22B08D00F4 for ; Sat, 17 Jul 2021 02:59:16 -0400 (EDT) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 955622AF0D for ; Sat, 17 Jul 2021 06:59:15 +0000 (UTC) X-FDA: 78371178270.05.D34FE00 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by imf03.hostedemail.com (Postfix) with ESMTP id A8C2230001B7 for ; Sat, 17 Jul 2021 06:59:14 +0000 (UTC) Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4GRf2d1MfhzYcwK; Sat, 17 Jul 2021 14:53:29 +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 15.1.2176.2; Sat, 17 Jul 2021 14:59:10 +0800 From: Miaohe Lin To: CC: , , , , , , , , , , , , , , , , Subject: [PATCH v2 0/4] Cleanups for vmscan Date: Sat, 17 Jul 2021 14:59:07 +0800 Message-ID: <20210717065911.61497-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected Authentication-Results: imf03.hostedemail.com; dkim=none; spf=pass (imf03.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com; dmarc=pass (policy=none) header.from=huawei.com X-Stat-Signature: 66ngz35p43ezgj4983cjwc8p5swc638w X-Rspamd-Queue-Id: A8C2230001B7 X-Rspamd-Server: rspam01 X-HE-Tag: 1626505154-58697 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: Hi all, This series contains cleanups to remove unneeded return value, misleading setting and so on. Also this remove the PageDirty check after MADV_FREE pages are page_ref_freezed. More details can be found in the respective changelogs. Thanks! v1->v2: collect Acked-by tag remove patch "mm/vmscan: fix misleading comment in isolate_lru_pages()" remove PageDirty check instead of setting SwapBacked in shrink_page_list Miaohe Lin (4): mm/vmscan: remove the PageDirty check after MADV_FREE pages are page_ref_freezed mm/vmscan: remove misleading setting to sc->priority mm/vmscan: remove unneeded return value of kswapd_run() mm/vmscan: add 'else' to remove check_pending label include/linux/swap.h | 2 +- mm/vmscan.c | 36 +++++++++++++++--------------------- 2 files changed, 16 insertions(+), 22 deletions(-)