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 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 172 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 173 #ifdef CONFIG_MEMORY_HOTPLUG 4e00c5affdd4b04 arch/powerpc/mm/book3s64/pgtable.c Logan Gunthorpe 2020-04-10 @174 int __meminit create_section_mapping(unsigned long start, unsigned long end, 4e00c5affdd4b04 arch/powerpc/mm/book3s64/pgtable.c Logan Gunthorpe 2020-04-10 175 int nid, pgprot_t prot) 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 176 { 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 177 if (radix_enabled()) 4e00c5affdd4b04 arch/powerpc/mm/book3s64/pgtable.c Logan Gunthorpe 2020-04-10 178 return radix__create_section_mapping(start, end, nid, prot); 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 179 4e00c5affdd4b04 arch/powerpc/mm/book3s64/pgtable.c Logan Gunthorpe 2020-04-10 180 return hash__create_section_mapping(start, end, nid, prot); 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 181 } 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 182 :::::: The code at line 174 was first introduced by commit :::::: 4e00c5affdd4b04e6392001716333971932f3d0c powerpc/mm: thread pgprot_t through create_section_mapping() :::::: TO: Logan Gunthorpe <logang@xxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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