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 49701C6FD1F for ; Wed, 22 Mar 2023 07:42:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B2EFD6B0075; Wed, 22 Mar 2023 03:42:25 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id ADF5B6B0078; Wed, 22 Mar 2023 03:42:25 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9A7026B007B; Wed, 22 Mar 2023 03:42:25 -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 8AE836B0075 for ; Wed, 22 Mar 2023 03:42:25 -0400 (EDT) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 58D8F1C2DF8 for ; Wed, 22 Mar 2023 07:42:25 +0000 (UTC) X-FDA: 80595741450.22.BB1E4D5 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf15.hostedemail.com (Postfix) with ESMTP id 65510A0003 for ; Wed, 22 Mar 2023 07:42:23 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=uU2sJ3Hu; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf15.hostedemail.com: domain of rppt@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1679470943; 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:dkim-signature; bh=rPOch7vB3esVJTmari4UnDZ2RljF9FcJktyqSNkzflI=; b=blj0B4D2JEPwf0nMsX0XbiGrdsIJ5gHkqV5sw+YNjn0rxqM+OCxx6Ul6w+abUxgexFxBvi w2A8sSxklPJpO49xUOH+v0zWz8JRNpsW8+ee7KOC+yDVrZYbX+su48ViAHN5k02PxatSkJ 3/s8TQ8PGDJ1eYFILZUDFfz/9fj9B10= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=uU2sJ3Hu; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf15.hostedemail.com: domain of rppt@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1679470943; a=rsa-sha256; cv=none; b=u0dp/gp195vlUanaG7DHXf9mBtBCbtOZSaf5Vv9wYLiD/qPw+gZMKigQCkUwNgLec+Hp1v u1g+GEIaltEJKZ6/qijLLz88gw+amXXyVR3odwCupgdM5x2u352X0Y+Od9i3WnMEzKUFK2 5AYxogqyXuuPHPYYFwWlKhPSQzUlJr0= Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 86D9CB81A34; Wed, 22 Mar 2023 07:42:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 98338C433D2; Wed, 22 Mar 2023 07:42:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679470940; bh=fI8I7kUW9jl8JDKoUwnDcZT5y9SyGOf9EGeftjRodGU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uU2sJ3HuM4EZ/d8q4LldNgAathUVoQ2FnXXL9nWNAVQ30N+HhnFGHqHQUW9PbccAs oJaz5Y1anXW59lKM0/AVzHD/twBCDS0zQgXiXdMjx7w5bRhGfklbSs1Zvwl2AHMdAp PXL2GvMqKlfuDSCcfd9Mw4Had/XPV9MUGimXG07hHi0Ry55msuX61kYvBa2L9VDHUK 9p8tVnGhFPl26xELhc0InHOqRIPLC6SGkrZOHXzkMU2CguCr+HX/XclX9K64nZ6tk7 6r+BtMAG+vcoJabPrraUPT8QUtuiRy/Z+I5AGlNPSFsDs+49W16hfq9qU1allRdtPV EG+YRQxwAfNzA== Date: Wed, 22 Mar 2023 09:42:07 +0200 From: Mike Rapoport To: Huacai Chen Cc: "Kirill A. Shutemov" , kernel test robot , WANG Xuerui , loongarch@lists.linux.dev, "Kirill A. Shutemov" , oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Andrew Morton Subject: Re: [linux-next:master 3778/4413] include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE Message-ID: References: <202303201615.Qfu18nWV-lkp@intel.com> <20230320155626.hirui3frcaunnajj@box.shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspamd-Queue-Id: 65510A0003 X-Rspamd-Server: rspam09 X-Rspam-User: X-Stat-Signature: atx789rwojkchky36q19gtfikddr99fd X-HE-Tag: 1679470943-290659 X-HE-Meta: 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 ldUji4Il 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 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 Tue, Mar 21, 2023 at 10:59:36AM +0800, Huacai Chen wrote: > Hi, all, > > On Mon, Mar 20, 2023 at 11:56 PM Kirill A. Shutemov > wrote: > > > > On Mon, Mar 20, 2023 at 04:06:33PM +0800, kernel test robot wrote: > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > > head: 73f2c2a7e1d2b31fdd5faa6dfa151c437a6c0a5a > > > commit: af8daebdbc0833b8095767ccef7ddce55e9fdf32 [3778/4413] mm, treewide: redefine MAX_ORDER sanely > > > config: loongarch-buildonly-randconfig-r003-20230320 (https://download.01.org/0day-ci/archive/20230320/202303201615.Qfu18nWV-lkp@intel.com/config) > > > compiler: loongarch64-linux-gcc (GCC) 12.1.0 > > > reproduce (this is a W=1 build): > > > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > > > chmod +x ~/bin/make.cross > > > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=af8daebdbc0833b8095767ccef7ddce55e9fdf32 > > > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > > > git fetch --no-tags linux-next master > > > git checkout af8daebdbc0833b8095767ccef7ddce55e9fdf32 > > > # save the config file > > > mkdir build_dir && cp config build_dir/.config > > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig > > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch prepare > > > > > > If you fix the issue, kindly add following tag where applicable > > > | Reported-by: kernel test robot > > > | Link: https://lore.kernel.org/oe-kbuild-all/202303201615.Qfu18nWV-lkp@intel.com/ > > > > > > All errors (new ones prefixed by >>): > > > > > > In file included from include/linux/gfp.h:7, > > > from include/linux/mm.h:7, > > > from arch/loongarch/kernel/asm-offsets.c:9: > > > >> include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE > > > 1749 | #error Allocator MAX_ORDER exceeds SECTION_SIZE > > > | ^~~~~ > > > > +Loongarch folks. > LoongArch defines SECTION_SIZE_BITS as 29, so I think the upper limit > of ARCH_FORCE_MAX_ORDER should not be 63, MIPS is similar. The ranges MIPS add LoongArch define for ARCH_FORCE_MAX_ORDER are insane. I'm going to drop them and leave ARCH_FORCE_MAX_ORDER an int with sane defaults. As for this splat, in the .config above ARCH_FORCE_MAX_ORDER=14 and PAGE_SIZE=64k, so we end up with MAX_ORDER + PAGE_SHIFT being 30, that's larger than SECTION_SIZE. AFAIK randconfig does not randomize integers, so it's unclear to me how ARCH_FORCE_MAX_ORDER got to 14. > Huacai > > > > The same situation as with mips: > > > > https://lore.kernel.org/all/20230315152636.smn34f3c6a5jzpn3@box > > > > -- > > Kiryl Shutsemau / Kirill A. Shutemov > -- Sincerely yours, Mike.