linux-kernel - debug_vm_pgtable.c:undefined reference to `pmd_set

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Message-ID: <202307250345.iCCBHW1l-lkp@intel.com>
Date:   Tue, 25 Jul 2023 03:38:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Will Deacon <will@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: debug_vm_pgtable.c:undefined reference to `pmd_set_huge'

Hi Jonathan,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   20ea1e7d13c1b544fe67c4a8dc3943bb1ab33e6f
commit: d8a719059b9dc963aa190598778ac804ff3e6a87 Revert "mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge"
date:   2 years ago
config: powerpc-randconfig-r033-20230724 (https://download.01.org/0day-ci/archive/20230725/202307250345.iCCBHW1l-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230725/202307250345.iCCBHW1l-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307250345.iCCBHW1l-lkp@intel.com/

All errors (new ones prefixed by >>):

   powerpc-linux-ld: warning: certs/system_certificates.o: missing .note.GNU-stack section implies executable stack
   powerpc-linux-ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
   powerpc-linux-ld: warning: certs/system_certificates.o: missing .note.GNU-stack section implies executable stack
   powerpc-linux-ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
   powerpc-linux-ld: warning: .tmp_vmlinux.kallsyms1 has a LOAD segment with RWX permissions
   powerpc-linux-ld: mm/debug_vm_pgtable.o: in function `pmd_huge_tests':
>> debug_vm_pgtable.c:(.init.text+0x194): undefined reference to `pmd_set_huge'
   powerpc-linux-ld: mm/debug_vm_pgtable.o: in function `pud_huge_tests':
>> debug_vm_pgtable.c:(.init.text+0x29c): undefined reference to `pud_set_huge'

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