Re: arch/powerpc/mm/book3s64/pgtable.c:174:15: error: no previous prototype for 'create_section_mapping'

Dan Williams
2020-11-24T03:21:02Z

On Mon, Nov 23, 2020 at 6:13 PM kernel test robot <lkp@intel.com> 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@intel.com>
>
> 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.