tree: feng/pcache_cleanup head: a20ca1d06794ad410f289251bf9e9abb781e9008 commit: a20ca1d06794ad410f289251bf9e9abb781e9008 [54/54] 0411: basic working config: c6x-evmc6678_defconfig (attached as .config) compiler: c6x-elf-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout a20ca1d06794ad410f289251bf9e9abb781e9008 # save the attached .config to linux build tree GCC_VERSION=9.3.0 make.cross ARCH=c6x If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): c6x-elf-ld: warning: section `.far' type changed to PROGBITS c6x-elf-ld: warning: section `.far' type changed to PROGBITS c6x-elf-ld: mm/page_alloc.o: in function `bad_page': page_alloc.c:(.text.unlikely+0x4): undefined reference to `pfail' c6x-elf-ld: page_alloc.c:(.text.unlikely+0x30): undefined reference to `pgood' c6x-elf-ld: page_alloc.c:(.text.unlikely+0x38): undefined reference to `ploop' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org