Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp31745106rwd; Fri, 7 Jul 2023 03:59:06 -0700 (PDT) X-Google-Smtp-Source: APBJJlEnTUmbMpbIDhePJ5Sk5CcNhKwnl1ShX3pWi10z2SyarkM9MgswMRZGTQKRDWJT5svZP9Zi X-Received: by 2002:a17:903:449:b0:1b2:450f:9b6 with SMTP id iw9-20020a170903044900b001b2450f09b6mr2868511plb.8.1688727545738; Fri, 07 Jul 2023 03:59:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1688727545; cv=none; d=google.com; s=arc-20160816; b=yRskMMsiJQux3WoOkcUiv44/PQrX6/rAGgWnG/cMrfEtdITjbqkOHwap+D4VJx/1xT UZjaebiv4rj2tkKzCM79e/YZl4C7svBy5bgSXHu8OZhDsQpJHJkJf1ll7Z02GpcH4J9S xGuuw9kPJm+PdypfSLUl1FI3uKZMJofcTW4dHYpY6w5rJ7CzZFPWnHzmGRPDxvbb3htK ySga4SwJL2nG/0t5kOGmrVUxQhGdcqHpz9THMdHcC+TjSLG4JpIjyx0/JJFbk3L2DCtF O//ba/wsWWi4hkXWcpqY2jNF56Fas3NdooWGzqT/rVYgb5sjJNpe+QFF5sKuvJC09uHs NJIw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id; bh=kX8MQGx6rcadRkgvBHuBkE8rGxdzwALK9/wPJnb5dbY=; fh=O0TZtIzza35OyTZeSw57U5T6+5+7NdJ21eW2GBA5M2g=; b=lCVh9me2fKj5Tw6Gi+/NFwPXnmnuHTwPO+Ar/egqmCvOLO6O06nIzKGrEE1HGOlb4n oj6jiPRCiGj3rPPCIsmiWGheUpDBFmpetKlZWhDlICshMnXIMAjuH+LWInv/9K0V/gBS U40PpyPMth1ZNcADen+7TcRei12gXnYv4r3jNB2hgvzB4zLT9SCJ81ow83qjHGDoJ/BD 98whnOhIrJiRN7q+JzUUWZ13Bffr1Bc/bZoAmJ23hGCwcoxt1RtY/tDmjrxDDyvKrC9C tdlwcjKbe2fiJ35WqToObkjYnrmNXKmwQwazbTfGtiePftaoB7ordarUcKKapeEPaRDP 83Vw== 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 r10-20020a1709028bca00b001b8b6089eeasi3134534plo.326.2023.07.07.03.58.51; Fri, 07 Jul 2023 03:59:05 -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 S232896AbjGGKas (ORCPT + 99 others); Fri, 7 Jul 2023 06:30:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232801AbjGGKai (ORCPT ); Fri, 7 Jul 2023 06:30:38 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19BB612A for ; Fri, 7 Jul 2023 03:30:32 -0700 (PDT) Received: from kwepemm600020.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Qy8hz5hCtzMqKj; Fri, 7 Jul 2023 18:27:15 +0800 (CST) Received: from [10.174.179.160] (10.174.179.160) by kwepemm600020.china.huawei.com (7.193.23.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 7 Jul 2023 18:30:30 +0800 Message-ID: <81476997-aaea-f9bb-3c5a-37eae98a1c5a@huawei.com> Date: Fri, 7 Jul 2023 18:30:29 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH v3 4/4] mm/memory: convert do_read_fault() to use folios Content-Language: en-US To: Sidhartha Kumar , , CC: , References: <20230706163847.403202-1-sidhartha.kumar@oracle.com> <20230706163847.403202-4-sidhartha.kumar@oracle.com> From: "zhangpeng (AS)" In-Reply-To: <20230706163847.403202-4-sidhartha.kumar@oracle.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.179.160] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemm600020.china.huawei.com (7.193.23.147) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,NICE_REPLY_A, RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,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 On 2023/7/7 0:38, Sidhartha Kumar wrote: > Saves one implicit call to compound_head() > > Signed-off-by: Sidhartha Kumar > Reviewed-by: Matthew Wilcox (Oracle) Reviewed-by: ZhangPeng