Re: [PATCH 2/3] mm: hugetlb: introduce arch_free_vmemmap_page

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Hi Muchun,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20210310]
[cannot apply to hnaz-linux-mm/master arm64/for-next/core tip/x86/mm linus/master v5.12-rc2 v5.12-rc1 v5.11 v5.12-rc2]
[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]

url:    https://github.com/0day-ci/linux/commits/Muchun-Song/mm-bootmem_info-mark-register_page_bootmem_info_section-__init/20210310-161619
base:    b01d57bfdc41c8f635b08b8a5af8a31217d46936
config: x86_64-randconfig-c002-20210310 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/92924b23a9f6de5bb478cea033cd2d39c227a6c5
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Muchun-Song/mm-bootmem_info-mark-register_page_bootmem_info_section-__init/20210310-161619
        git checkout 92924b23a9f6de5bb478cea033cd2d39c227a6c5
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> mm/sparse-vmemmap.c:159:13: warning: no previous prototype for 'arch_free_vmemmap_page' [-Wmissing-prototypes]
     159 | void __weak arch_free_vmemmap_page(struct page *page)
         |             ^~~~~~~~~~~~~~~~~~~~~~


vim +/arch_free_vmemmap_page +159 mm/sparse-vmemmap.c

   158	
 > 159	void __weak arch_free_vmemmap_page(struct page *page)
   160	{
   161		free_reserved_page(page);
   162	}
   163	

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

Attachment: .config.gz
Description: application/gzip


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