Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linux/master linus/master v5.18-rc5 next-20220506] [cannot apply to hnaz-mm/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/intel-lab-lkp/linux/commits/cgel-zte-gmail-com/mm-memcg-support-control-THP-behaviour-in-cgroup/20220506-112100 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: s390-randconfig-r013-20220505 (https://download.01.org/0day-ci/archive/20220506/202205062206.5pPA18rP-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 11.3.0 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 # https://github.com/intel-lab-lkp/linux/commit/01b750c350f3c12ca3908e94dc4447041ac9d89b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review cgel-zte-gmail-com/mm-memcg-support-control-THP-behaviour-in-cgroup/20220506-112100 git checkout 01b750c350f3c12ca3908e94dc4447041ac9d89b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): s390-linux-ld: mm/shmem.o: in function `shmem_zero_setup': shmem.c:(.text+0x380): undefined reference to `khugepaged_always' >> s390-linux-ld: shmem.c:(.text+0x3f2): undefined reference to `khugepaged_req_madv' s390-linux-ld: mm/huge_memory.o: in function `do_huge_pmd_anonymous_page': >> huge_memory.c:(.text+0x3d9c): undefined reference to `khugepaged_always' >> s390-linux-ld: huge_memory.c:(.text+0x3e2a): undefined reference to `khugepaged_req_madv' s390-linux-ld: mm/khugepaged.o: in function `set_recommended_min_free_kbytes': khugepaged.c:(.text+0x1d06): undefined reference to `khugepaged_enabled' s390-linux-ld: mm/khugepaged.o: in function `hugepage_vma_check.part.0': khugepaged.c:(.text+0x24c4): undefined reference to `khugepaged_always' s390-linux-ld: mm/khugepaged.o: in function `khugepaged_wait_work': khugepaged.c:(.text+0x2da8): undefined reference to `khugepaged_enabled' >> s390-linux-ld: khugepaged.c:(.text+0x2e94): undefined reference to `khugepaged_enabled' s390-linux-ld: mm/khugepaged.o: in function `khugepaged_do_scan': khugepaged.c:(.text+0x46e8): undefined reference to `khugepaged_enabled' s390-linux-ld: khugepaged.c:(.text+0x482a): undefined reference to `khugepaged_enabled' s390-linux-ld: mm/khugepaged.o: in function `khugepaged_enter_vma_merge': khugepaged.c:(.text+0x4bb2): undefined reference to `khugepaged_always' >> s390-linux-ld: khugepaged.c:(.text+0x4c1a): undefined reference to `khugepaged_req_madv' s390-linux-ld: mm/khugepaged.o: in function `start_stop_khugepaged': khugepaged.c:(.text+0x4eb6): undefined reference to `khugepaged_enabled' s390-linux-ld: mm/khugepaged.o: in function `khugepaged_min_free_kbytes_update': khugepaged.c:(.text+0x5066): undefined reference to `khugepaged_enabled' -- 0-DAY CI Kernel Test Service https://01.org/lkp
