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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 65472C433E0 for ; Wed, 20 Jan 2021 13:18:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 24F722339E for ; Wed, 20 Jan 2021 13:18:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727164AbhATNRw (ORCPT ); Wed, 20 Jan 2021 08:17:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:52336 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732539AbhATNI1 (ORCPT ); Wed, 20 Jan 2021 08:08:27 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7A14522210; Wed, 20 Jan 2021 13:07:44 +0000 (UTC) Date: Wed, 20 Jan 2021 13:07:41 +0000 From: Catalin Marinas To: Will Deacon Cc: Chen Zhou , ardb@kernel.org, akpm@linux-foundation.org, rppt@kernel.org, nsaenzjulienne@suse.de, song.bao.hua@hisilicon.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, huawei.libin@huawei.com, xiexiuqi@huawei.com Subject: Re: [PATCH 0/2] arm64: mm: fix kdump broken with ZONE_DMA reintroduced Message-ID: <20210120130741.GB2642@gaia> References: <20201226033557.116251-1-chenzhou10@huawei.com> <20210120124054.GA19504@willie-the-truck> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210120124054.GA19504@willie-the-truck> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 20, 2021 at 12:40:55PM +0000, Will Deacon wrote: > On Sat, Dec 26, 2020 at 11:35:55AM +0800, Chen Zhou wrote: > > If the memory reserved for crash dump kernel falled in ZONE_DMA32, > > the devices in crash dump kernel need to use ZONE_DMA will alloc fail. > > > > Fix this by reserving low memory in ZONE_DMA if CONFIG_ZONE_DMA is > > enabled, otherwise, reserving in ZONE_DMA32. > > > > Patch 1 updates the comments about the ZONE_DMA. > > Patch 2 fix kdump broken. > > > > Chen Zhou (2): > > arm64: mm: update the comments about ZONE_DMA > > arm64: mm: fix kdump broken with ZONE_DMA reintroduced > > Please can you repost this if it is still needed after the changes that > landed in -rc4? I don't think this series is needed anymore but I'll let Chen confirm. -- Catalin