Hi, all, On Mon, Mar 20, 2023 at 11:56 PM Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> 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@xxxxxxxxx/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 <lkp@xxxxxxxxx> > > | Link: https://lore.kernel.org/oe-kbuild-all/202303201615.Qfu18nWV-lkp@xxxxxxxxx/ > > > > 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. Huacai > > The same situation as with mips: > > https://lore.kernel.org/all/20230315152636.smn34f3c6a5jzpn3@box > > -- > Kiryl Shutsemau / Kirill A. Shutemov
