Re: [PATCH 07/12] hugetlb: perform vmemmap restoration on a list of pages

[kernel test robot <lkp@intel.com>]

Hi Mike,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20230825]
[cannot apply to akpm-mm/mm-everything v6.5-rc7 v6.5-rc6 v6.5-rc5 linus/master v6.5-rc7]
[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/Mike-Kravetz/hugetlb-clear-flags-in-tail-pages-that-will-be-freed-individually/20230826-030805
base:   next-20230825
patch link:    https://lore.kernel.org/r/20230825190436.55045-8-mike.kravetz%40oracle.com
patch subject: [PATCH 07/12] hugetlb: perform vmemmap restoration on a list of pages
config: arm64-randconfig-r011-20230826 (https://download.01.org/0day-ci/archive/20230826/202308261407.9M957lhF-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230826/202308261407.9M957lhF-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308261407.9M957lhF-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from mm/hugetlb.c:49:
>> mm/hugetlb_vmemmap.h:50:2: error: void function 'hugetlb_vmemmap_restore_folios' should not return a value [-Wreturn-type]
      50 |         return 0;
         |         ^      ~
   1 error generated.


vim +/hugetlb_vmemmap_restore_folios +50 mm/hugetlb_vmemmap.h

    47	
    48	static inline void hugetlb_vmemmap_restore_folios(const struct hstate *h, struct list_head *folio_list)
    49	{
  > 50		return 0;
    51	}
    52	

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