[linux-next:master 5432/6100] include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE

[linux-next:master 5432/6100] include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   7c4a254d78f89546d0e74a40617ef24c6151c8d1
commit: 68b8ff1ef897ca529447dac52b18b242f8f6620a [5432/6100] mm, treewide: redefine MAX_ORDER sanely
config: loongarch-randconfig-r006-20230322 (https://download.01.org/0day-ci/archive/20230323/202303231302.iY6qIfXA-lkp@intel.com/config)
compiler: loongarch64-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=68b8ff1ef897ca529447dac52b18b242f8f6620a
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 68b8ff1ef897ca529447dac52b18b242f8f6620a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch prepare

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303231302.iY6qIfXA-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/gfp.h:7,
                    from include/linux/mm.h:7,
                    from arch/loongarch/kernel/asm-offsets.c:9:
>> include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE
    1749 | #error Allocator MAX_ORDER exceeds SECTION_SIZE
         |  ^~~~~
   arch/loongarch/kernel/asm-offsets.c:16:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
      16 | void output_ptreg_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~
   arch/loongarch/kernel/asm-offsets.c:63:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
      63 | void output_task_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~
   arch/loongarch/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
      78 | void output_thread_info_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/loongarch/kernel/asm-offsets.c:94:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
      94 | void output_thread_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/loongarch/kernel/asm-offsets.c:137:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
     137 | void output_thread_fpu_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/loongarch/kernel/asm-offsets.c:177:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
     177 | void output_mm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/loongarch/kernel/asm-offsets.c:209:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
     209 | void output_sc_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/loongarch/kernel/asm-offsets.c:217:6: warning: no previous prototype for 'output_signal_defines' [-Wmissing-prototypes]
     217 | void output_signal_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/loongarch/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_smpboot_defines' [-Wmissing-prototypes]
     255 | void output_smpboot_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~
   make[2]: *** [scripts/Makefile.build:114: arch/loongarch/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  
68b8ff1ef897ca 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  

:::::: The code at line 1749 was first introduced by commit
:::::: d41dee369bff3b9dcb6328d4d822926c28cc2594 [PATCH] sparsemem memory model

:::::: TO: Andy Whitcroft <apw@shadowen.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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

Re: [linux-next:master 5432/6100] include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE

[Andrew Morton]

On Thu, 23 Mar 2023 13:42:51 +0800 kernel test robot <lkp@intel.com> wrote:

>    In file included from include/linux/gfp.h:7,
>                     from include/linux/mm.h:7,
>                     from arch/loongarch/kernel/asm-offsets.c:9:
> >> include/linux/mmzone.h:1749:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE

Thanks, I assume this is fixed by

https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/loongarch-drop-ranges-for-definition-of-arch_force_max_order.patch