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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 5AF23C4743D for ; Tue, 8 Jun 2021 14:54:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CB2E561078 for ; Tue, 8 Jun 2021 14:54:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB2E561078 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 65E9F6B006E; Tue, 8 Jun 2021 10:54:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5E6B16B0070; Tue, 8 Jun 2021 10:54:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4613B6B0071; Tue, 8 Jun 2021 10:54:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0184.hostedemail.com [216.40.44.184]) by kanga.kvack.org (Postfix) with ESMTP id 0FB276B006E for ; Tue, 8 Jun 2021 10:54:41 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id A7ECBC5A0 for ; Tue, 8 Jun 2021 14:54:40 +0000 (UTC) X-FDA: 78230853120.28.2467DFF Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) by imf14.hostedemail.com (Postfix) with ESMTP id 59AE8C00CBE4 for ; Tue, 8 Jun 2021 14:54:36 +0000 (UTC) Received: from localhost (mailhub3.si.c-s.fr [192.168.12.233]) by localhost (Postfix) with ESMTP id 4FztYn36F5z9trp; Tue, 8 Jun 2021 16:54:37 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 470n_Hf-Cc4b; Tue, 8 Jun 2021 16:54:37 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4FztYl2NxWzBDhb; Tue, 8 Jun 2021 16:54:35 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 338438B7C1; Tue, 8 Jun 2021 16:54:35 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id CBcAUjaryt1b; Tue, 8 Jun 2021 16:54:35 +0200 (CEST) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 9FE408B7BF; Tue, 8 Jun 2021 16:54:34 +0200 (CEST) Subject: Re: [PATCH v3 resend 11/15] powerpc: convert to setup_initial_init_mm() To: Souptick Joarder , Kefeng Wang Cc: linux-kernel@vger.kernel.org, Linux-MM , Andrew Morton , linuxppc-dev@lists.ozlabs.org References: <20210608083418.137226-1-wangkefeng.wang@huawei.com> <20210608083418.137226-12-wangkefeng.wang@huawei.com> From: Christophe Leroy Message-ID: <215985fd-67d5-731f-743c-ea446b55bb8d@csgroup.eu> Date: Tue, 8 Jun 2021 16:54:09 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 59AE8C00CBE4 Authentication-Results: imf14.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf14.hostedemail.com: domain of christophe.leroy@csgroup.eu designates 93.17.236.30 as permitted sender) smtp.mailfrom=christophe.leroy@csgroup.eu X-Stat-Signature: z4dddhdrikjpstfqbaef17178uokdpt6 X-HE-Tag: 1623164076-863843 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Le 08/06/2021 =C3=A0 16:36, Souptick Joarder a =C3=A9crit=C2=A0: > On Tue, Jun 8, 2021 at 1:56 PM Kefeng Wang = wrote: >> >> Use setup_initial_init_mm() helper to simplify code. >> >> Note klimit is (unsigned long) _end, with new helper, >> will use _end directly. >=20 > With this change klimit left with no user in this file and can be > moved to some appropriate header. > But in a separate series. I have a patch to remove klimit, see=20 https://patchwork.ozlabs.org/project/linuxppc-dev/patch/9fa9ba6807c17f93f= 35a582c199c646c4a8bfd9c.1622800638.git.christophe.leroy@csgroup.eu/ Christophe >=20 >> >> Cc: Michael Ellerman >> Cc: Benjamin Herrenschmidt >> Cc: linuxppc-dev@lists.ozlabs.org >> Signed-off-by: Kefeng Wang >> --- >> arch/powerpc/kernel/setup-common.c | 5 +---- >> 1 file changed, 1 insertion(+), 4 deletions(-) >> >> diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/= setup-common.c >> index 74a98fff2c2f..96697c6e1e16 100644 >> --- a/arch/powerpc/kernel/setup-common.c >> +++ b/arch/powerpc/kernel/setup-common.c >> @@ -927,10 +927,7 @@ void __init setup_arch(char **cmdline_p) >> >> klp_init_thread_info(&init_task); >> >> - init_mm.start_code =3D (unsigned long)_stext; >> - init_mm.end_code =3D (unsigned long) _etext; >> - init_mm.end_data =3D (unsigned long) _edata; >> - init_mm.brk =3D klimit; >> + setup_initial_init_mm(_stext, _etext, _edata, _end); >> >> mm_iommu_init(&init_mm); >> irqstack_early_init(); >> -- >> 2.26.2 >> >>