Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp31737614rwd; Fri, 7 Jul 2023 03:51:00 -0700 (PDT) X-Google-Smtp-Source: APBJJlGYzGRRe0OIAGtWI1qQqOsATNxJDi/DqG/3eNC6yhztUvkUiW1vPB2xO+9bBr86wfjoMAl4 X-Received: by 2002:a17:902:eac4:b0:1b8:9002:c9ee with SMTP id p4-20020a170902eac400b001b89002c9eemr3652441pld.1.1688727059709; Fri, 07 Jul 2023 03:50:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1688727059; cv=none; d=google.com; s=arc-20160816; b=bHLGHbBWuNKn7TyfYNLRiPEmPMubIFK/sHZdJH5ZD5s7ykQyuEedchrCmZ8TLE72Pk LmH/UJuMKbyUz66iCCelcRogWhvlhTWL0Z6cZYejWirpzdLM165uYYW9tBD4XKrmNRPz 4Va75PWxgIX+D56ZMmCUCx1r2BsprGcQKpJkTZj6HhVoAEn37Ydz4n72GNqqYJJCEXKb rNhSXEnFWTQNtbgYzYD52myuC+SgSqAwcm9lpZ0jbiwXLuoqchU51A2SzPus5MVAOZR+ vTjq+oTlsbjQdI0XDT2E/KsLEwQcY81Kf7IMGAgXKU8PMt+iUm6qxpiwt3Lia0t+5uV8 u7Dw== 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=mBM8tRtVKhZecWX5biR+rv17JPi0MuSdZTabYUN2mdM=; fh=O0TZtIzza35OyTZeSw57U5T6+5+7NdJ21eW2GBA5M2g=; b=zIzM3s9qfuGARMrsLVe420XqScyHmornSeBQ7H7Ps7CKJZ6rDNkzTuxJQ8FpU7ro2k 6oP5eOQNZoos8Uex7SHjeBwNIPmcCJu7q97buwJSnCS1X6K8MQAYP7YFGa2HMNhIWibV JiZSuT0mJNGq3GW2OQ7Z/kUUBpujJ82vT586JM1aY8yWnrUk1fnXP+ReZHayOCVzMNv4 eeLftNat00qYIbEA4En0fVh5oSPNJQfxgl0cDp5zbT8WgBb9mHRGcuy6B2GgXMyRG1zP XiPSGjg9XF6hv5T9PXQeHUve4y+CTRPdwCzWvrvms0imPjgAzSpTCL/LCUFNoYwGxHoU raRg== 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 kr6-20020a170903080600b001b8abb9f7d4si3238570plb.176.2023.07.07.03.50.44; Fri, 07 Jul 2023 03:50:59 -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 S232693AbjGGKaj (ORCPT + 99 others); Fri, 7 Jul 2023 06:30:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232744AbjGGKad (ORCPT ); Fri, 7 Jul 2023 06:30:33 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74BB2211C for ; Fri, 7 Jul 2023 03:30:30 -0700 (PDT) Received: from kwepemm600020.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Qy8m802Hcz1FDfg; Fri, 7 Jul 2023 18:29:59 +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 18:30:27 +0800 Message-ID: <2d658a3a-0d96-b5ad-943d-765251bc5872@huawei.com> Date: Fri, 7 Jul 2023 18:30:26 +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 3/4] mm/memory: convert do_shared_fault() to folios Content-Language: en-US To: Sidhartha Kumar , , CC: , References: <20230706163847.403202-1-sidhartha.kumar@oracle.com> <20230706163847.403202-3-sidhartha.kumar@oracle.com> From: "zhangpeng (AS)" In-Reply-To: <20230706163847.403202-3-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 three implicit calls to compound_head(). > > Signed-off-by: Sidhartha Kumar > Reviewed-by: Matthew Wilcox (Oracle) Reviewed-by: ZhangPeng