Re: [PATCH 10/10] mm, treewide: Redefine MAX_ORDER sanely

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Hi Kirill,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on powerpc/next powerpc/fixes linus/master v6.3-rc2 next-20230315]
[cannot apply to davem-sparc/master]
[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/Kirill-A-Shutemov/sparc-mm-Fix-MAX_ORDER-usage-in-tsb_grow/20230315-193254
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20230315113133.11326-11-kirill.shutemov%40linux.intel.com
patch subject: [PATCH 10/10] mm, treewide: Redefine MAX_ORDER sanely
config: mips-randconfig-r015-20230313 (https://download.01.org/0day-ci/archive/20230315/202303152251.0kYjWIXW-lkp@xxxxxxxxx/config)
compiler: mips64el-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/ccefb5df94c3c6c966f6f583d60c9d9c832b7a34
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kirill-A-Shutemov/sparc-mm-Fix-MAX_ORDER-usage-in-tsb_grow/20230315-193254
        git checkout ccefb5df94c3c6c966f6f583d60c9d9c832b7a34
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips prepare

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/202303152251.0kYjWIXW-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from include/linux/gfp.h:7,
                    from include/linux/xarray.h:15,
                    from include/linux/list_lru.h:14,
                    from include/linux/fs.h:13,
                    from include/linux/compat.h:17,
                    from arch/mips/kernel/asm-offsets.c:12:
>> include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE
    1749 | #error Allocator MAX_ORDER exceeds SECTION_SIZE
         |  ^~~~~
   arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
      26 | void output_ptreg_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
      78 | void output_task_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:92:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
      92 | void output_thread_info_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:108:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
     108 | void output_thread_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:136:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
     136 | void output_thread_fpu_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:179:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
     179 | void output_mm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:235:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
     235 | void output_sc_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:248:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
     248 | void output_signal_defined(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:341:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
     341 | void output_kvm_defines(void)
         |      ^~~~~~~~~~~~~~~~~~
   make[2]: *** [scripts/Makefile.build:114: arch/mips/kernel/asm-offsets.s] Error 1
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:1287: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:226: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +1749 include/linux/mmzone.h

d41dee369bff3b Andy Whitcroft     2005-06-23  1744  
835c134ec4dd75 Mel Gorman         2007-10-16  1745  #define SECTION_BLOCKFLAGS_BITS \
d9c2340052278d Mel Gorman         2007-10-16  1746  	((1UL << (PFN_SECTION_SHIFT - pageblock_order)) * NR_PAGEBLOCK_BITS)
835c134ec4dd75 Mel Gorman         2007-10-16  1747  
ccefb5df94c3c6 Kirill A. Shutemov 2023-03-15  1748  #if (MAX_ORDER + PAGE_SHIFT) > SECTION_SIZE_BITS
d41dee369bff3b Andy Whitcroft     2005-06-23 @1749  #error Allocator MAX_ORDER exceeds SECTION_SIZE
d41dee369bff3b Andy Whitcroft     2005-06-23  1750  #endif
d41dee369bff3b Andy Whitcroft     2005-06-23  1751  

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




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