On Mon, Nov 23, 2020 at 6:13 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: d5beb3140f91b1c8a3d41b14d729aefa4dcc58bc > commit: a927bd6ba952d13c52b8b385030943032f659a3e mm: fix phys_to_target_node() and memory_add_physaddr_to_nid() exports > date: 31 hours ago > config: powerpc-randconfig-r024-20201123 (attached as .config) > compiler: powerpc64le-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 > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a927bd6ba952d13c52b8b385030943032f659a3e > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout a927bd6ba952d13c52b8b385030943032f659a3e > # 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@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > >> arch/powerpc/mm/book3s64/pgtable.c:174:15: error: no previous prototype for 'create_section_mapping' [-Werror=missing-prototypes] > 174 | int __meminit create_section_mapping(unsigned long start, unsigned long end, > | ^~~~~~~~~~~~~~~~~~~~~~ > arch/powerpc/mm/book3s64/pgtable.c:405:6: error: no previous prototype for 'arch_report_meminfo' [-Werror=missing-prototypes] > 405 | void arch_report_meminfo(struct seq_file *m) > | ^~~~~~~~~~~~~~~~~~~ > arch/powerpc/mm/book3s64/pgtable.c:461:5: error: no previous prototype for 'pmd_move_must_withdraw' [-Werror=missing-prototypes] > 461 | int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, > | ^~~~~~~~~~~~~~~~~~~~~~ > cc1: all warnings being treated as errors > > vim +/create_section_mapping +174 arch/powerpc/mm/book3s64/pgtable.c The whack-a-mole continues... the kbuild-robot success report I received gave me too much confidence.