Re: [v2 PATCH 3/5] mm: mempool: introduce page bulk allocator

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Hi Yang,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.2-rc8 next-20230214]
[cannot apply to device-mapper-dm/for-next]
[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/Yang-Shi/mm-page_alloc-add-API-for-bulk-allocator-with-callback/20230215-030305
patch link:    https://lore.kernel.org/r/20230214190221.1156876-4-shy828301%40gmail.com
patch subject: [v2 PATCH 3/5] mm: mempool: introduce page bulk allocator
config: loongarch-randconfig-r006-20230212 (https://download.01.org/0day-ci/archive/20230215/202302151051.i9q3I0ia-lkp@xxxxxxxxx/config)
compiler: loongarch64-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/ecf5ea78b27092c35d884fad653f53d599d9ddba
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Yang-Shi/mm-page_alloc-add-API-for-bulk-allocator-with-callback/20230215-030305
        git checkout ecf5ea78b27092c35d884fad653f53d599d9ddba
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/scsi/snic/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202302151051.i9q3I0ia-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from drivers/scsi/snic/snic_scsi.c:4:
>> include/linux/mempool.h:18:48: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration
      18 |                                         struct page **page_array,
         |                                                ^~~~
   include/linux/mempool.h:71:51: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration
      71 |                                            struct page **page_array);
         |                                                   ^~~~
   include/linux/mempool.h:74:59: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration
      74 |                                         void (*cb)(struct page *, void *),
         |                                                           ^~~~


vim +18 include/linux/mempool.h

    15	
    16	typedef unsigned int (mempool_alloc_pages_bulk_t)(gfp_t gfp_mask,
    17						unsigned int nr, void *pool_data,
  > 18						struct page **page_array,
    19						void (*cb)(struct page *, void *),
    20						void *data);
    21	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests




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