[linux-next:master 7971/10444] include/linux/pageblock-flags.h:66:53: error: 'HPAGE_PMD_ORDER' undeclared

[linux-next:master 7971/10444] include/linux/pageblock-flags.h:66:53: error: 'HPAGE_PMD_ORDER' undeclared

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   78bc8af4affb9a732504eb22eeac7d1e50883853
commit: f476132a8999edf2225185652dce98a42347e8c9 [7971/10444] mm/mm_init: don't rely on memblock to get KHO scratch migratetype
config: x86_64-randconfig-123-20260729 (https://download.01.org/0day-ci/archive/20260730/202607301045.WpMtpkDq-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260730/202607301045.WpMtpkDq-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/202607301045.WpMtpkDq-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/nodemask.h:92,
                    from include/linux/numa.h:6,
                    from include/linux/cpumask.h:15,
                    from arch/x86/include/asm/paravirt.h:19,
                    from arch/x86/include/asm/irqflags.h:100,
                    from include/linux/irqflags.h:18,
                    from arch/x86/include/asm/special_insns.h:10,
                    from arch/x86/include/asm/io.h:45,
                    from include/linux/io.h:12,
                    from mm/memfd_luo.c:76:
   include/linux/kexec_handover.h: In function 'kho_scratch_migratetype':
>> include/linux/pageblock-flags.h:66:53: error: 'HPAGE_PMD_ORDER' undeclared (first use in this function)
      66 | #define pageblock_order         MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
         |                                                     ^~~~~~~~~~~~~~~
   include/linux/minmax.h:83:27: note: in definition of macro '__cmp'
      83 | #define __cmp(op, x, y) ((x) __cmp_op_##op (y) ? (x) : (y))
         |                           ^
   include/linux/pageblock-flags.h:66:33: note: in expansion of macro 'MIN_T'
      66 | #define pageblock_order         MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
         |                                 ^~~~~
   include/linux/pageblock-flags.h:75:41: note: in expansion of macro 'pageblock_order'
      75 | #define pageblock_nr_pages      (1UL << pageblock_order)
         |                                         ^~~~~~~~~~~~~~~
   include/linux/kexec_handover.h:47:48: note: in expansion of macro 'pageblock_nr_pages'
      47 |         if (kho_scratch_overlap(PFN_PHYS(pfn), pageblock_nr_pages << PAGE_SHIFT))
         |                                                ^~~~~~~~~~~~~~~~~~
   include/linux/pageblock-flags.h:66:53: note: each undeclared identifier is reported only once for each function it appears in
      66 | #define pageblock_order         MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
         |                                                     ^~~~~~~~~~~~~~~
   include/linux/minmax.h:83:27: note: in definition of macro '__cmp'
      83 | #define __cmp(op, x, y) ((x) __cmp_op_##op (y) ? (x) : (y))
         |                           ^
   include/linux/pageblock-flags.h:66:33: note: in expansion of macro 'MIN_T'
      66 | #define pageblock_order         MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
         |                                 ^~~~~
   include/linux/pageblock-flags.h:75:41: note: in expansion of macro 'pageblock_order'
      75 | #define pageblock_nr_pages      (1UL << pageblock_order)
         |                                         ^~~~~~~~~~~~~~~
   include/linux/kexec_handover.h:47:48: note: in expansion of macro 'pageblock_nr_pages'
      47 |         if (kho_scratch_overlap(PFN_PHYS(pfn), pageblock_nr_pages << PAGE_SHIFT))
         |                                                ^~~~~~~~~~~~~~~~~~


vim +/HPAGE_PMD_ORDER +66 include/linux/pageblock-flags.h

72801513b2bfb6 Baolin Wang 2024-04-05  65  
3800d55250976b Zi Yan      2025-06-04 @66  #define pageblock_order		MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
72801513b2bfb6 Baolin Wang 2024-04-05  67  

:::::: The code at line 66 was first introduced by commit
:::::: 3800d55250976b7a4bd42c255b267bc242669709 mm: rename CONFIG_PAGE_BLOCK_ORDER to CONFIG_PAGE_BLOCK_MAX_ORDER

:::::: TO: Zi Yan <ziy@nvidia.com>
:::::: CC: Andrew Morton <akpm@linux-foundation.org>

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