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Howlett" , Lorenzo Stoakes , David Hildenbrand , Mike Rapoport , Minchan Kim Subject: Re: [PATCH v4] mm: Add CONFIG_PAGE_BLOCK_ORDER to select page block order Message-ID: <202505110035.wtOWnL8o-lkp@intel.com> References: <20250510010338.3978696-1-jyescas@google.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250510010338.3978696-1-jyescas@google.com> Hi Juan, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.15-rc5] [cannot apply to akpm-mm/mm-everything next-20250509] [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/Juan-Yescas/mm-Add-CONFIG_PAGE_BLOCK_ORDER-to-select-page-block-order/20250510-090501 base: linus/master patch link: https://lore.kernel.org/r/20250510010338.3978696-1-jyescas%40google.com patch subject: [PATCH v4] mm: Add CONFIG_PAGE_BLOCK_ORDER to select page block order config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20250511/202505110035.wtOWnL8o-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250511/202505110035.wtOWnL8o-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202505110035.wtOWnL8o-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/gfp.h:7, from include/linux/xarray.h:16, from include/linux/list_lru.h:14, from include/linux/fs.h:14, from include/linux/compat.h:17, from arch/powerpc/kernel/asm-offsets.c:12: >> include/linux/mmzone.h:53:2: error: #error MAX_PAGE_ORDER must be >= PAGE_BLOCK_ORDER 53 | #error MAX_PAGE_ORDER must be >= PAGE_BLOCK_ORDER | ^~~~~ make[3]: *** [scripts/Makefile.build:98: arch/powerpc/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1275: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:248: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:248: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +53 include/linux/mmzone.h 46 47 /* 48 * The MAX_PAGE_ORDER, which defines the max order of pages to be allocated 49 * by the buddy allocator, has to be larger or equal to the PAGE_BLOCK_ORDER, 50 * which defines the order for the number of pages that can have a migrate type 51 */ 52 #if (PAGE_BLOCK_ORDER > MAX_PAGE_ORDER) > 53 #error MAX_PAGE_ORDER must be >= PAGE_BLOCK_ORDER 54 #endif 55 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki