tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git mm/tlb head: b4c400b6dff50e79f3406a5744086c60b7668a70 commit: 352d652ed3ea4d34578f69f1da523c55768178e6 [4/10] parisc/tlb: Fix __p*_free_tlb() config: parisc-buildonly-randconfig-r003-20210728 (attached as .config) compiler: hppa64-linux-gcc (GCC) 10.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=352d652ed3ea4d34578f69f1da523c55768178e6 git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue mm/tlb git checkout 352d652ed3ea4d34578f69f1da523c55768178e6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from mm/memory.c:81: mm/memory.c: In function 'free_pmd_range': >> arch/parisc/include/asm/pgalloc.h:69:6: error: implicit declaration of function '__pmd_free'; did you mean 'pmd_free'? [-Werror=implicit-function-declaration] 69 | if (__pmd_free((tlb)->mm, (pmd))) \ | ^~~~~~~~~~ include/asm-generic/tlb.h:638:3: note: in expansion of macro '__pmd_free_tlb' 638 | __pmd_free_tlb(tlb, pmdp, address); \ | ^~~~~~~~~~~~~~ mm/memory.c:265:2: note: in expansion of macro 'pmd_free_tlb' 265 | pmd_free_tlb(tlb, pmd, start); | ^~~~~~~~~~~~ cc1: some warnings being treated as errors vim +69 arch/parisc/include/asm/pgalloc.h 66 67 #define __pmd_free_tlb(tlb, pmd, addr) \ 68 do { \ > 69 if (__pmd_free((tlb)->mm, (pmd))) \ 70 tlb_remove_table((tlb), (pmd)); \ 71 } while (0) 72 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org