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 <l...@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

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 <log...@deltatee.com>
:::::: CC: Linus Torvalds <torva...@linux-foundation.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org

Attachment: .config.gz
Description: application/gzip

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