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 BEF24C77B7F for ; Tue, 16 May 2023 05:30:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E1084900003; Tue, 16 May 2023 01:30:36 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DC07C900002; Tue, 16 May 2023 01:30:36 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CB039900003; Tue, 16 May 2023 01:30:36 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id BD6B0900002 for ; Tue, 16 May 2023 01:30:36 -0400 (EDT) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 7C1C7C14AE for ; Tue, 16 May 2023 05:30:36 +0000 (UTC) X-FDA: 80794993272.10.33F5AAB Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by imf15.hostedemail.com (Postfix) with ESMTP id 4F6D5A0008 for ; Tue, 16 May 2023 05:30:31 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf15.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1684215034; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=h0doqt+pUMpyBSdmX/cFvABil2DKXy8dFFszCcSN1n8=; b=7WfycKB4cqscrVln1kYS4p6/2LcgkRR/Kx8nfjhAP4bC+ddFGp2XMYWnMH2wDL/21Isho4 PIE79PtLRCS+yk4IosLwwvSSuJi4fPtC7IgByPsKfKejMoZ4QbLXqpQQABv25/F1MfOA6t 0Rm3eBjxdxPxPLcwScAZ4zriBAoGsx8= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1684215034; a=rsa-sha256; cv=none; b=WQKeu6G4Ol1ouD0sjqfEwo1eNuLsp7rSMsJS9SILTqVThaU0k9zK9nLrxSWRPaBnuTabH9 r53H369+LXGpulSXnswDZC8EAh7TnxDkB5jU8kdICmYVmOYJ5323lomxCDVpqUiyI/NgQ4 2wyXmexTEZp0UJa40nAWU1CeVDl4ITA= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf15.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com Received: from dggpemm500001.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4QL4TV43NBzqSJN; Tue, 16 May 2023 13:26:06 +0800 (CST) 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_GCM_SHA256) id 15.1.2507.23; Tue, 16 May 2023 13:30:25 +0800 Message-ID: <9e19c7a6-58fe-0238-49a5-574f92dd64d9@huawei.com> Date: Tue, 16 May 2023 13:30:24 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.10.1 Subject: Re: [PATCH 04/12] mm: page_alloc: collect mem statistic into show_mem.c Content-Language: en-US To: kernel test robot , Andrew Morton , Mike Rapoport CC: , Linux Memory Management List , David Hildenbrand , Oscar Salvador , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Luis Chamberlain , Kees Cook , Iurii Zaikin , , , References: <20230508071200.123962-5-wangkefeng.wang@huawei.com> <202305110807.YVsoVagW-lkp@intel.com> From: Kefeng Wang In-Reply-To: <202305110807.YVsoVagW-lkp@intel.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-Stat-Signature: n4rcg1zejfhmicjkxp1xkubmjmirky7u X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 4F6D5A0008 X-Rspam-User: X-HE-Tag: 1684215031-928428 X-HE-Meta: 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 BNEsEiJi RDvSy62j/2P/s8KVbHXmJ6l5W5g2Loqw+jVcFQ4npxjSncvdZ3yUcRSwPl0cJRSX/GCYaSgqklncyef31kgjI8uwNOv+ozdUEYnvjiDB10HkTQrWIXv1MbjbyPotiAv9fwhxbLjwPJ+rE9wUPZVDW3tPEu67pg6NYFxdrH8Timp6Etlwa3UOwsthhoUi392osctTdLY87TF8CmRIsJ01YjKgDY1zX+JxN4y3/1l+nsti1phw2No7JS5Za/KkqWf+MtJBqLYWn5V14CgOYDNqVqlNVbi7Io9ds2cLNXxVyC1dPzWKVowNv6zvH+VMp/nYRPZpZIqyS1FNBscsUpiQ1zvhyHhCnW0JQsClnZeF7o9DTR5Za3jrd5HtJqWQmUQEivHCKJlMQ2pageOeGV/xr+j6nCQsPSM9Kxts4D6/WWySJoCbXNeoWv58h6Q== 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 2023/5/11 8:04, kernel test robot wrote: > Hi Kefeng, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on akpm-mm/mm-everything] > > url: https://github.com/intel-lab-lkp/linux/commits/Kefeng-Wang/mm-page_alloc-move-mirrored_kernelcore-into-mm_init-c/20230508-145724 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/r/20230508071200.123962-5-wangkefeng.wang%40huawei.com > patch subject: [PATCH 04/12] mm: page_alloc: collect mem statistic into show_mem.c > config: loongarch-randconfig-s051-20230509 (https://download.01.org/0day-ci/archive/20230511/202305110807.YVsoVagW-lkp@intel.com/config) > compiler: loongarch64-linux-gcc (GCC) 12.1.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # apt-get install sparse > # sparse version: v0.6.4-39-gce1a6720-dirty > # https://github.com/intel-lab-lkp/linux/commit/be69df472e4d9a6b09a17b854d3aeb9722fc2675 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Kefeng-Wang/mm-page_alloc-move-mirrored_kernelcore-into-mm_init-c/20230508-145724 > git checkout be69df472e4d9a6b09a17b854d3aeb9722fc2675 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > | Link: https://lore.kernel.org/oe-kbuild-all/202305110807.YVsoVagW-lkp@intel.com/ > > sparse warnings: (new ones prefixed by >>) >>> mm/show_mem.c:336:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ > mm/show_mem.c:336:17: sparse: expected void *ptr > mm/show_mem.c:336:17: sparse: got int [noderef] __percpu * >>> mm/show_mem.c:336:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ > mm/show_mem.c:336:17: sparse: expected void *ptr > mm/show_mem.c:336:17: sparse: got int [noderef] __percpu * >>> mm/show_mem.c:336:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ > mm/show_mem.c:336:17: sparse: expected void *ptr > mm/show_mem.c:336:17: sparse: got int [noderef] __percpu * >>> mm/show_mem.c:336:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ > mm/show_mem.c:336:17: sparse: expected void *ptr > mm/show_mem.c:336:17: sparse: got int [noderef] __percpu * > > vim +336 mm/show_mem.c > Thanks, I won't make any change about __show_free_areas（） function, and it better not to fix it, at least not in this patch, the patch is only to move some functions. The sparse warning is caused by K(this_cpu_read(zone->per_cpu_pageset->count)), maybe change it to __this_cpu_read()? >