Re: [PATCH 01/10] mm: Remove PageActive

[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 arm64/for-next/core tip/x86/core tip/x86/mm linus/master v6.11-rc4 next-20240822]
[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-Remove-PageActive/20240822-033717
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20240821193445.2294269-2-willy%40infradead.org
patch subject: [PATCH 01/10] mm: Remove PageActive
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20240822/202408222357.ksCAhSZQ-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 26670e7fa4f032a019d23d56c6a02926e854e8af)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240822/202408222357.ksCAhSZQ-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/202408222357.ksCAhSZQ-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/mm/pgtable-frag.c:10:
   In file included from include/linux/mm.h:2199:
   include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     504 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     505 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     511 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     512 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     524 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     525 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> arch/powerpc/mm/pgtable-frag.c:142:2: error: call to undeclared function 'SetPageActive'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     142 |         SetPageActive(page);
         |         ^
   4 warnings and 1 error generated.


vim +/SetPageActive +142 arch/powerpc/mm/pgtable-frag.c

32cc0b7c9d508e Hugh Dickins 2023-07-11  135  
32cc0b7c9d508e Hugh Dickins 2023-07-11  136  #ifdef CONFIG_TRANSPARENT_HUGEPAGE
32cc0b7c9d508e Hugh Dickins 2023-07-11  137  void pte_free_defer(struct mm_struct *mm, pgtable_t pgtable)
32cc0b7c9d508e Hugh Dickins 2023-07-11  138  {
32cc0b7c9d508e Hugh Dickins 2023-07-11  139  	struct page *page;
32cc0b7c9d508e Hugh Dickins 2023-07-11  140  
32cc0b7c9d508e Hugh Dickins 2023-07-11  141  	page = virt_to_page(pgtable);
32cc0b7c9d508e Hugh Dickins 2023-07-11 @142  	SetPageActive(page);

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