Received: by 2002:a6b:fb09:0:0:0:0:0 with SMTP id h9csp1176094iog; Sat, 25 Jun 2022 02:57:27 -0700 (PDT) X-Google-Smtp-Source: AGRyM1vxfhFXPh7VOjutqVeRNlPolulTs7r/dMfybiY9XOf/awyJOHYeKefK33Wnr3S8Z5lXRMhB X-Received: by 2002:a17:902:7042:b0:16a:2156:c325 with SMTP id h2-20020a170902704200b0016a2156c325mr3604327plt.166.1656151046841; Sat, 25 Jun 2022 02:57:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1656151046; cv=none; d=google.com; s=arc-20160816; b=s9yUEbBXFop04yVaTugYbRdxZvdIt14+vme88l4IN90ksC/DF5IFfula4zP0rGM6rj qaxMLo52kBwsYhLWYJUtulhuHVkX91VmXHIMjaL5DTWVMQB/eVMPYXh2hRBO7uiErd5/ /1wMm722A1jeNsa6buEuBHvKEmr5kEDom3y935cq2T0sjJOCXxfzCMp9vIiXmTdMJzfN 6BjBfm30ahps9+vVeuR+uBCh94d8jMQx1nxfhDE6idaWGC35ADa907RAxdwSrnt17m5C pm0y8cN0EQxR7gPi5opYMehgVBHmGQ6zVjuxxqq2opsc3P2YqKgBEurFpOOMUhA/jgAn jCPA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=YxandkV50dvyVRwo7R8Qjs5aYIubINzUwRNYbG9d11w=; b=zNS7/jt9OaB6O9bRFng5fJ1FfijABLMXFUY+EZMGz+tm3MP4r/DyP5AKGgs6XAAHq1 6LzWx3g2ABwiFvrBDBJzxt46isH44uzcufMpFWYjt8Ht4DnZM6AvtWIrCyho97CT0MOw gFnwmTvnUwAxT0UQ/+dkX/mBFGXeFxbWnm+3ZBOy9IIpBoTa8hMmw93oQ8xKhi4+WTYv uLEAcJASpYlMbYKpEx5rNn7iHsyRjX7ZbccEiDXAzGuYKem6h+Yv0+/NvFHGCkbh4vnu Gp5ImASjQSU4sJRL4Op5piz+bsJ5uBpx+Ko0KYe2M7ee5Uqtu6H69hx1XmE2k+O7RWA2 vcYA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id n13-20020a170903110d00b0015eb226901csi6414985plh.595.2022.06.25.02.56.56; Sat, 25 Jun 2022 02:57:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232615AbiFYJdu (ORCPT + 99 others); Sat, 25 Jun 2022 05:33:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231858AbiFYJdt (ORCPT ); Sat, 25 Jun 2022 05:33:49 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0575530572 for ; Sat, 25 Jun 2022 02:33:49 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4LVTJm00TJz1KCBw; Sat, 25 Jun 2022 17:31:35 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 25 Jun 2022 17:33:46 +0800 From: Miaohe Lin To: CC: , , , , , , Subject: [PATCH v3 0/2] A few cleanup and fixup patches for swap Date: Sat, 25 Jun 2022 17:33:44 +0800 Message-ID: <20220625093346.48894-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi everyone, This series contains a cleaup patch to remove unneeded swap_cache_info statistics, and a bugfix patch to avoid data races of inuse_pages. More details can be found in the respective changelogs. Thanks! --- v3: rebase on linux-next-20220624 drop patch 1/3 per Huang, Ying collect Reviewed-by tag per David, Muchun, Acked-by tag per Huang, Ying use WRITE_ONCE to pair with READ_ONCE in patch 2/3 v2: collect Reviewed-by tag per David drop patch "mm/swapfile: avoid confusing swap cache statistics" add a new patch to remove swap_cache_info statistics per David Many thanks David for review and comment. --- Miaohe Lin (2): mm/swapfile: fix possible data races of inuse_pages mm/swap: remove swap_cache_info statistics mm/swap_state.c | 17 ----------------- mm/swapfile.c | 8 ++++---- 2 files changed, 4 insertions(+), 21 deletions(-) -- 2.23.0