Re: [PATCH v2 5/7] bootmem: Stop using page->index

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

Hi Matthew,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on tip/locking/core tip/x86/mm dennis-percpu/for-next linus/master v6.12-rc2 next-20241008]
[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/Matthew-Wilcox-Oracle/mm-Convert-page_to_pgoff-to-page_pgoff/20241006-040239
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20241005200121.3231142-6-willy%40infradead.org
patch subject: [PATCH v2 5/7] bootmem: Stop using page->index
config: x86_64-randconfig-011-20241008 (https://download.01.org/0day-ci/archive/20241009/202410090224.gxQY18rm-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241009/202410090224.gxQY18rm-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/202410090224.gxQY18rm-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/x86/mm/init_64.c: In function 'free_pagetable':
>> arch/x86/mm/init_64.c:992:42: error: implicit declaration of function 'bootmem_type' [-Werror=implicit-function-declaration]
     992 |                 enum bootmem_type type = bootmem_type(page);
         |                                          ^~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/bootmem_type +992 arch/x86/mm/init_64.c

   987	
   988	static void __meminit free_pagetable(struct page *page, int order)
   989	{
   990		/* bootmem page has reserved flag */
   991		if (PageReserved(page)) {
 > 992			enum bootmem_type type = bootmem_type(page);
   993			unsigned long nr_pages = 1 << order;
   994	
   995			if (type == SECTION_INFO || type == MIX_SECTION_INFO) {
   996				while (nr_pages--)
   997					put_page_bootmem(page++);
   998			} else
   999				while (nr_pages--)
  1000					free_reserved_page(page++);
  1001		} else
  1002			free_pages((unsigned long)page_address(page), order);
  1003	}
  1004	

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