From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59994C32772 for ; Mon, 22 Aug 2022 08:51:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233743AbiHVIvd (ORCPT ); Mon, 22 Aug 2022 04:51:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232555AbiHVIvb (ORCPT ); Mon, 22 Aug 2022 04:51:31 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2700A65D8; Mon, 22 Aug 2022 01:51:30 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MB5bh6LM1zkWLK; Mon, 22 Aug 2022 16:48:00 +0800 (CST) Received: from [10.174.177.76] (10.174.177.76) 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; Mon, 22 Aug 2022 16:51:28 +0800 Subject: Re: [PATCH] mm/hugetlb: remove unused local variable dst_entry in copy_hugetlb_page_range() To: Lukas Bulwahn CC: , , Mike Kravetz , Muchun Song , Andrew Morton , Linux-MM References: <20220822082525.26071-1-lukas.bulwahn@gmail.com> From: Miaohe Lin Message-ID: <08fec67b-788e-1c9e-606e-903db3bcad67@huawei.com> Date: Mon, 22 Aug 2022 16:51:27 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20220822082525.26071-1-lukas.bulwahn@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.76] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/8/22 16:25, Lukas Bulwahn wrote: > Commit a0e4f7b82610 ("mm/hugetlb: make detecting shared pte more reliable") > modifies copy_hugetlb_page_range() such that huge_ptep_get(dst_pte) and the > local variable dst_entry is not used explicitly in this function. > > Remove this unused local variable dst_entry in copy_hugetlb_page_range(). > No functional change. > > Signed-off-by: Lukas Bulwahn LGTM. Thanks for your patch. Reviewed-by: Miaohe Lin BTW: I will send a v2 of that series soon. So the above commit id might change. Thanks, Miaohe Lin