Re: [PATCH V7 1/4] MIPS&LoongArch&NIOS2: Adjust prototypes of p?d_init()

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Hi Huacai,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on soc/for-next]
[also build test WARNING on kvm/queue arm64/for-next/core linus/master v5.19 next-20220805]
[cannot apply to akpm-mm/mm-everything tip/x86/mm]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Huacai-Chen/mm-sparse-vmemmap-Generalise-helpers-and-enable-for-LoongArch/20220802-180930
base:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
config: mips-buildonly-randconfig-r001-20220805 (https://download.01.org/0day-ci/archive/20220806/202208061111.tJqmWcij-lkp@xxxxxxxxx/config)
compiler: mips64el-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/284d2afe87bf580321065fb587ffb8ed5a1d0874
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Huacai-Chen/mm-sparse-vmemmap-Generalise-helpers-and-enable-for-LoongArch/20220802-180930
        git checkout 284d2afe87bf580321065fb587ffb8ed5a1d0874
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/mm/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   In file included from arch/mips/mm/init.c:42:
   arch/mips/include/asm/pgalloc.h: In function 'pud_alloc_one':
>> arch/mips/include/asm/pgalloc.h:96:26: warning: passing argument 1 of 'pud_init' makes pointer from integer without a cast [-Wint-conversion]
      96 |                 pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table);
         |                          ^~~~~~~~~~~~~~~~~~
         |                          |
         |                          long unsigned int
   In file included from arch/mips/include/asm/pgtable.h:17,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:29,
                    from include/linux/pagemap.h:8,
                    from arch/mips/mm/init.c:21:
   arch/mips/include/asm/pgtable-64.h:329:28: note: expected 'void *' but argument is of type 'long unsigned int'
     329 | extern void pud_init(void *addr);
         |                      ~~~~~~^~~~
   arch/mips/include/asm/pgalloc.h:96:17: error: too many arguments to function 'pud_init'
      96 |                 pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table);
         |                 ^~~~~~~~
   arch/mips/include/asm/pgtable-64.h:329:13: note: declared here
     329 | extern void pud_init(void *addr);
         |             ^~~~~~~~
   arch/mips/mm/init.c: At top level:
   arch/mips/mm/init.c:60:6: warning: no previous prototype for 'setup_zero_pages' [-Wmissing-prototypes]
      60 | void setup_zero_pages(void)
         |      ^~~~~~~~~~~~~~~~
--
   In file included from arch/mips/mm/pgtable.c:9:
   arch/mips/include/asm/pgalloc.h: In function 'pud_alloc_one':
>> arch/mips/include/asm/pgalloc.h:96:26: warning: passing argument 1 of 'pud_init' makes pointer from integer without a cast [-Wint-conversion]
      96 |                 pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table);
         |                          ^~~~~~~~~~~~~~~~~~
         |                          |
         |                          long unsigned int
   In file included from arch/mips/include/asm/pgtable.h:17,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:29,
                    from arch/mips/mm/pgtable.c:7:
   arch/mips/include/asm/pgtable-64.h:329:28: note: expected 'void *' but argument is of type 'long unsigned int'
     329 | extern void pud_init(void *addr);
         |                      ~~~~~~^~~~
   arch/mips/include/asm/pgalloc.h:96:17: error: too many arguments to function 'pud_init'
      96 |                 pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table);
         |                 ^~~~~~~~
   arch/mips/include/asm/pgtable-64.h:329:13: note: declared here
     329 | extern void pud_init(void *addr);
         |             ^~~~~~~~


vim +/pud_init +96 arch/mips/include/asm/pgalloc.h

3377e227af441a Alex Belits  2017-02-16  89  
3377e227af441a Alex Belits  2017-02-16  90  static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address)
3377e227af441a Alex Belits  2017-02-16  91  {
3377e227af441a Alex Belits  2017-02-16  92  	pud_t *pud;
3377e227af441a Alex Belits  2017-02-16  93  
473738eb78c3e3 Michal Hocko 2017-07-12  94  	pud = (pud_t *) __get_free_pages(GFP_KERNEL, PUD_ORDER);
3377e227af441a Alex Belits  2017-02-16  95  	if (pud)
3377e227af441a Alex Belits  2017-02-16 @96  		pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table);
3377e227af441a Alex Belits  2017-02-16  97  	return pud;
3377e227af441a Alex Belits  2017-02-16  98  }
3377e227af441a Alex Belits  2017-02-16  99  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



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