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,NICE_REPLY_A,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 C7B81C433B4 for ; Thu, 29 Apr 2021 00:48:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 96CDF6141E for ; Thu, 29 Apr 2021 00:48:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231935AbhD2AtW (ORCPT ); Wed, 28 Apr 2021 20:49:22 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:16165 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229479AbhD2AtV (ORCPT ); Wed, 28 Apr 2021 20:49:21 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4FVxcN65dqzlVyx; Thu, 29 Apr 2021 08:45:24 +0800 (CST) Received: from [10.174.177.244] (10.174.177.244) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.498.0; Thu, 29 Apr 2021 08:48:27 +0800 Subject: Re: arm32: panic in move_freepages (Was [PATCH v2 0/4] arm64: drop pfn_valid_within() and simplify pfn_valid()) To: Mike Rapoport CC: , Andrew Morton , Anshuman Khandual , Ard Biesheuvel , Catalin Marinas , David Hildenbrand , Marc Zyngier , "Mark Rutland" , Mike Rapoport , "Will Deacon" , , , References: <9aa68d26-d736-3b75-4828-f148964eb7f0@huawei.com> <33fa74c2-f32d-f224-eb30-acdb717179ff@huawei.com> <2a1592ad-bc9d-4664-fd19-f7448a37edc0@huawei.com> <52f7d03b-7219-46bc-c62d-b976bc31ebd5@huawei.com> <2d879629-3059-fd42-428f-4b7c2a73d698@huawei.com> <259d14df-a713-72e7-4ccb-c06a8ee31e13@huawei.com> From: Kefeng Wang Message-ID: <6ad2956c-70ae-c423-ed7d-88e94c88060f@huawei.com> Date: Thu, 29 Apr 2021 08:48:26 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Originating-IP: [10.174.177.244] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/4/28 13:59, Mike Rapoport wrote: > On Tue, Apr 27, 2021 at 07:08:59PM +0800, Kefeng Wang wrote: >> On 2021/4/27 14:23, Mike Rapoport wrote: >>> On Mon, Apr 26, 2021 at 11:26:38PM +0800, Kefeng Wang wrote: >>>> On 2021/4/26 13:20, Mike Rapoport wrote: >>>>> On Sun, Apr 25, 2021 at 03:51:56PM +0800, Kefeng Wang wrote: >>>>>> On 2021/4/25 15:19, Mike Rapoport wrote: >>>>>> >>>>>> On Fri, Apr 23, 2021 at 04:11:16PM +0800, Kefeng Wang wrote: >>>>>> >>>>>> I tested this patchset(plus arm32 change, like arm64 does) >>>>>> based on lts 5.10，add some debug log, the useful info shows >>>>>> below, if we enable HOLES_IN_ZONE, no panic, any idea, >>>>>> thanks. >>>>>> >>>>>> Are there any changes on top of 5.10 except for pfn_valid() patch? >>>>>> Do you see this panic on 5.10 without the changes? >>>>>> >>>>>> Yes, there are some BSP support for arm board based on 5.10, >>> Is it possible to test 5.12? > Do you use SPARSMEM? If yes, what is your section size? > What is the value if CONFIG_FORCE_MAX_ZONEORDER in your configuration? Yes, CONFIG_SPARSEMEM=y CONFIG_SPARSEMEM_STATIC=y CONFIG_FORCE_MAX_ZONEORDER = 11 CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_HAVE_ARCH_PFN_VALID=y CONFIG_HIGHMEM=y #define SECTION_SIZE_BITS 26 #define MAX_PHYSADDR_BITS 32 #define MAX_PHYSMEM_BITS 32 >