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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75919C433EF for ; Wed, 6 Apr 2022 02:22:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 064346B0072; Tue, 5 Apr 2022 22:21:54 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 013016B0073; Tue, 5 Apr 2022 22:21:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E1CB36B0074; Tue, 5 Apr 2022 22:21:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0082.hostedemail.com [216.40.44.82]) by kanga.kvack.org (Postfix) with ESMTP id D208A6B0072 for ; Tue, 5 Apr 2022 22:21:53 -0400 (EDT) Received: from smtpin31.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 8AB5CAA07E for ; Wed, 6 Apr 2022 02:21:43 +0000 (UTC) X-FDA: 79324853286.31.D80A745 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by imf05.hostedemail.com (Postfix) with ESMTP id AE53C100036 for ; Wed, 6 Apr 2022 02:21:42 +0000 (UTC) Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4KY7Vw221yzDqMK; Wed, 6 Apr 2022 10:19:20 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500021.china.huawei.com (7.185.36.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Wed, 6 Apr 2022 10:21:38 +0800 Received: from [10.174.177.243] (10.174.177.243) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.21; Wed, 6 Apr 2022 10:21:35 +0800 Message-ID: <70443d0a-51ea-6c44-5a99-784516aed68c@huawei.com> Date: Wed, 6 Apr 2022 10:21:35 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.1 Subject: Re: [PATCH v4 1/2] Revert "powerpc: Set max_mapnr correctly" Content-Language: en-US To: Michael Ellerman , Christophe Leroy , "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" CC: "akpm@linux-foundation.org" , "npiggin@gmail.com" , "songyuanzheng@huawei.com" References: <20220216121109.157605-1-wangkefeng.wang@huawei.com> <0c6e13cc-f768-2cb4-0aa3-cd090b99fc8f@huawei.com> <877d8581y8.fsf@mpe.ellerman.id.au> From: Kefeng Wang In-Reply-To: <877d8581y8.fsf@mpe.ellerman.id.au> Content-Type: text/plain; charset="UTF-8"; format=flowed X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggeme708-chm.china.huawei.com (10.1.199.104) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-Stat-Signature: 3dpec7adq65nazytgcggncfre9yshr1z X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: AE53C100036 Authentication-Results: imf05.hostedemail.com; dkim=none; spf=pass (imf05.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 45.249.212.188 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com; dmarc=pass (policy=quarantine) header.from=huawei.com X-Rspam-User: X-HE-Tag: 1649211702-128039 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: On 2022/4/4 20:31, Michael Ellerman wrote: > Kefeng Wang writes: >> On 2022/3/28 22:12, Christophe Leroy wrote: >>> Hi, >>> >>> Le 26/03/2022 =C3=A0 08:55, Kefeng Wang a =C3=A9crit=C2=A0: >>>> Hi maintainers=EF=BC=8C >>>> >>>> I saw the patches has been reviewed[1], could they be merged? >>> Thinking about it once more, I think the patches should go in reverse >>> order. Patch 2 should go first and patch 1 should go after. >>> >>> Otherwise, once patch 1 is applied and patch 2 is not applied yet, >>> virt_addr_valid() doesn't work anymore. >> Should I resend them or could the maintainer reverse order when mergin= g >> them? > I'll reverse them. I've found some breakage in other code while testing > this, so I'll fix that up first before merging these. Thanks. > > In patch 2 you didn't say what hardware you hit this on, what CPU does > your system have? CPU e5500=C2=A0 from fsl,P5040DS. > > cheers > .