Hi Kefeng, kernel test robot noticed the following build errors: [auto build test ERROR on next-20230525] url: https://github.com/intel-lab-lkp/linux/commits/Kefeng-Wang/memblock-unify-memblock-dump-and-debugfs-show/20230525-194341 base: next-20230525 patch link: https://lore.kernel.org/r/20230525115856.124507-1-wangkefeng.wang%40huawei.com patch subject: [PATCH -next] memblock: unify memblock dump and debugfs show config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20230526/202305261822.ZFRYZVQk-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): mkdir -p ~/bin 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/08ce8490dec830c059127709a3a692ac7368287e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kefeng-Wang/memblock-unify-memblock-dump-and-debugfs-show/20230525-194341 git checkout 08ce8490dec830c059127709a3a692ac7368287e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202305261822.ZFRYZVQk-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): mm/memblock.c: In function 'memblock_dump.constprop': >> mm/memblock.c:1910:27: error: 'flagname' causes a section type conflict with 'memblock_debug' 1910 | static const char * const flagname[] __initdata_memblock = { | ^~~~~~~~ mm/memblock.c:158:12: note: 'memblock_debug' was declared here 158 | static int memblock_debug __initdata_memblock; | ^~~~~~~~~~~~~~ vim +1910 mm/memblock.c 1909 > 1910 static const char * const flagname[] __initdata_memblock = { 1911 [ilog2(MEMBLOCK_HOTPLUG)] = "HOTPLUG", 1912 [ilog2(MEMBLOCK_MIRROR)] = "MIRROR", 1913 [ilog2(MEMBLOCK_NOMAP)] = "NOMAP", 1914 [ilog2(MEMBLOCK_DRIVER_MANAGED)] = "DRV_MNG", 1915 [ilog2(MEMBLOCK_MAX_UNKNOWN)] = "UNKNOWN", 1916 }; 1917 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
