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Wed, 15 Mar 2023 11:26:39 -0400 (EDT) Received: by box.shutemov.name (Postfix, from userid 1000) id CC85C10C8DF; Wed, 15 Mar 2023 18:26:36 +0300 (+03) Date: Wed, 15 Mar 2023 18:26:36 +0300 From: "Kirill A. Shutemov" To: kernel test robot , Thomas Bogendoerfer Cc: "Kirill A. Shutemov" , Andrew Morton , Mel Gorman , Vlastimil Babka , David Hildenbrand , oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 10/10] mm, treewide: Redefine MAX_ORDER sanely Message-ID: <20230315152636.smn34f3c6a5jzpn3@box> References: <20230315113133.11326-11-kirill.shutemov@linux.intel.com> <202303152251.0kYjWIXW-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202303152251.0kYjWIXW-lkp@intel.com> X-Rspam-User: X-Rspamd-Queue-Id: BE82340005 X-Rspamd-Server: rspam01 X-Stat-Signature: puh9hhdo1yfuochy1csjdmm3bksmhk1s X-HE-Tag: 1678894002-893905 X-HE-Meta: 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 8tJpvQaT 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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 Wed, Mar 15, 2023 at 11:06:21PM +0800, kernel test robot wrote: > Hi Kirill, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on akpm-mm/mm-everything] > [also build test ERROR on powerpc/next powerpc/fixes linus/master v6.3-rc2 next-20230315] > [cannot apply to davem-sparc/master] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Kirill-A-Shutemov/sparc-mm-Fix-MAX_ORDER-usage-in-tsb_grow/20230315-193254 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/r/20230315113133.11326-11-kirill.shutemov%40linux.intel.com > patch subject: [PATCH 10/10] mm, treewide: Redefine MAX_ORDER sanely > config: mips-randconfig-r015-20230313 (https://download.01.org/0day-ci/archive/20230315/202303152251.0kYjWIXW-lkp@intel.com/config) > compiler: mips64el-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://github.com/intel-lab-lkp/linux/commit/ccefb5df94c3c6c966f6f583d60c9d9c832b7a34 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Kirill-A-Shutemov/sparc-mm-Fix-MAX_ORDER-usage-in-tsb_grow/20230315-193254 > git checkout ccefb5df94c3c6c966f6f583d60c9d9c832b7a34 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips 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/202303152251.0kYjWIXW-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > In file included from include/linux/gfp.h:7, > from include/linux/xarray.h:15, > from include/linux/list_lru.h:14, > from include/linux/fs.h:13, > from include/linux/compat.h:17, > from arch/mips/kernel/asm-offsets.c:12: > >> include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE > 1749 | #error Allocator MAX_ORDER exceeds SECTION_SIZE > | ^~~~~ It is not regression. MIPS Kconfig allows for excessively large ARCH_FORCE_MAX_ORDER. The patch changes nothing with regarards to this. But it changes meaning of ARCH_FORCE_MAX_ORDER and old configs are now breaks. Thomas, could you help with formulating more sensible upper limit for the config option, so it won't collide with SECTION_SIZE? -- Kiryl Shutsemau / Kirill A. Shutemov