Hi Muchun, Thank you for the patch! Yet something to improve: [auto build test ERROR on hnaz-linux-mm/master] [also build test ERROR on cgroup/for-next v5.9-rc4 next-20200911] [cannot apply to mmotm/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] url: https://github.com/0day-ci/linux/commits/Muchun-Song/mm-memcontrol-Add-th... base: https://github.com/hnaz/linux-mm master config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/mm.h:672, from arch/powerpc/include/asm/io.h:29, from include/linux/io.h:13, from include/linux/irq.h:20, from arch/powerpc/include/asm/hardirq.h:6, from include/linux/hardirq.h:10, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:9, from include/linux/cgroup.h:26, from include/linux/memcontrol.h:13, from mm/memcontrol.c:26: mm/memcontrol.c: In function 'memory_numa_stat_format': 120 | #define HPAGE_PMD_SIZE ((1UL) << HPAGE_PMD_SHIFT) | ^ mm/memcontrol.c:6422:17: note: in expansion of macro 'HPAGE_PMD_SIZE' 6422 | { "anon_thp", HPAGE_PMD_SIZE, NR_ANON_THPS }, | ^~~~~~~~~~~~~~ include/linux/huge_mm.h:120:24: note: (near initialization for 'stats[7].ratio') 120 | #define HPAGE_PMD_SIZE ((1UL) << HPAGE_PMD_SHIFT) | ^ mm/memcontrol.c:6422:17: note: in expansion of macro 'HPAGE_PMD_SIZE' 6422 | { "anon_thp", HPAGE_PMD_SIZE, NR_ANON_THPS }, | ^~~~~~~~~~~~~~ # https://github.com/0day-ci/linux/commit/1fadd691a289cdae3e267de7cb5e9444f... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Muchun-Song/mm-memcontrol-Add-the-missing-numa_stat-interface-for-cgroup-v2/20200912-234140 git checkout 1fadd691a289cdae3e267de7cb5e9444f8b7705d vim +120 include/linux/huge_mm.h d8c37c480678ebe Naoya Horiguchi 2012-03-21 117 71e3aac0724ffe8 Andrea Arcangeli 2011-01-13 118 #ifdef CONFIG_TRANSPARENT_HUGEPAGE fde52796d487b67 Aneesh Kumar K.V 2013-06-05 119 #define HPAGE_PMD_SHIFT PMD_SHIFT fde52796d487b67 Aneesh Kumar K.V 2013-06-05 @120 #define HPAGE_PMD_SIZE ((1UL) << HPAGE_PMD_SHIFT) fde52796d487b67 Aneesh Kumar K.V 2013-06-05 121 #define HPAGE_PMD_MASK (~(HPAGE_PMD_SIZE - 1)) 71e3aac0724ffe8 Andrea Arcangeli 2011-01-13 122 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org