Hi Stefan, kernel test robot noticed the following build errors: [auto build test ERROR on 12d04a7bf0da67321229d2bc8b1a7074d65415a9] url: https://github.com/intel-lab-lkp/linux/commits/Stefan-Roesch/mm-ksm-add-ksm-advisor/20231005-030402 base: 12d04a7bf0da67321229d2bc8b1a7074d65415a9 patch link: https://lore.kernel.org/r/20231004190249.829015-3-shr%40devkernel.io patch subject: [PATCH v1 2/4] mm/ksm: add sysfs knobs for advisor config: arm-randconfig-001-20231006 (https://download.01.org/0day-ci/archive/20231006/202310060504.eMl8wb3o-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231006/202310060504.eMl8wb3o-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310060504.eMl8wb3o-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: mm/ksm.o: in function `run_advisor': >> ksm.c:(.text+0x21e8): undefined reference to `__aeabi_ldivmod' >> arm-linux-gnueabi-ld: ksm.c:(.text+0x2290): undefined reference to `__aeabi_ldivmod' arm-linux-gnueabi-ld: ksm.c:(.text+0x22cc): undefined reference to `__aeabi_ldivmod' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki