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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 08FDCC4321E for ; Fri, 7 Sep 2018 09:57:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C040920861 for ; Fri, 7 Sep 2018 09:57:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C040920861 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728676AbeIGOhi (ORCPT ); Fri, 7 Sep 2018 10:37:38 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:57860 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727851AbeIGOhi (ORCPT ); Fri, 7 Sep 2018 10:37:38 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 02B9F18A; Fri, 7 Sep 2018 02:57:28 -0700 (PDT) Received: from [10.4.12.81] (melchizedek.emea.arm.com [10.4.12.81]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 014133F614; Fri, 7 Sep 2018 02:57:26 -0700 (PDT) Subject: Re: [RESEND PATCH v4 4/6] arm64/mm: Create the final page table directly in swapper_pg_dir. To: Jun Yao Cc: linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org References: <20180822095432.12125-1-yaojun8558363@gmail.com> <20180822095432.12125-5-yaojun8558363@gmail.com> From: James Morse Message-ID: <3cbcf8b6-682c-d08c-3375-4cad099420cf@arm.com> Date: Fri, 7 Sep 2018 10:57:25 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180822095432.12125-5-yaojun8558363@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jun, On 22/08/18 10:54, Jun Yao wrote: > As the initial page table is created in the init_pg_dir, we can set > up the final page table directly in the swapper_pg_dir. And it only> contains the top level page table, so we can reduce it to a page Reviewed-by: James Morse Thanks, James