[akpm-mm:mm-new 423/440] util.c:undefined reference to `vmf_insert_mixed'

[akpm-mm:mm-new 423/440] util.c:undefined reference to `vmf_insert_mixed'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head:   31690ac95cb30fd036eeda36844c6e2820685e7c
commit: 52b3813194a48b5dd38cc3d76686e0b060171b0f [423/440] mm: add ability to take further action in vm_area_desc
config: m68k-allnoconfig (https://download.01.org/0day-ci/archive/20250912/202509120557.Fjb2Px63-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250912/202509120557.Fjb2Px63-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/202509120557.Fjb2Px63-lkp@intel.com/

All errors (new ones prefixed by >>):

   m68k-linux-ld: mm/util.o: in function `mmap_action_complete':
>> util.c:(.text+0x92c): undefined reference to `vmf_insert_mixed'
>> m68k-linux-ld: util.c:(.text+0xa2a): undefined reference to `remap_pfn_range_complete'
   m68k-linux-ld: mm/util.o: in function `mmap_action_prepare':
>> util.c:(.text+0xbe0): undefined reference to `remap_pfn_range_prepare'
   m68k-linux-ld: mm/util.o: in function `__compat_vma_mmap_prepare':
   util.c:(.text+0x10f6): undefined reference to `remap_pfn_range_prepare'

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

Re: [akpm-mm:mm-new 423/440] util.c:undefined reference to `vmf_insert_mixed'

[Lorenzo Stoakes]

On Fri, Sep 12, 2025 at 05:31:31AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
> head:   31690ac95cb30fd036eeda36844c6e2820685e7c
> commit: 52b3813194a48b5dd38cc3d76686e0b060171b0f [423/440] mm: add ability to take further action in vm_area_desc
> config: m68k-allnoconfig (https://download.01.org/0day-ci/archive/20250912/202509120557.Fjb2Px63-lkp@intel.com/config)
> compiler: m68k-linux-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250912/202509120557.Fjb2Px63-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/202509120557.Fjb2Px63-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
>    m68k-linux-ld: mm/util.o: in function `mmap_action_complete':
> >> util.c:(.text+0x92c): undefined reference to `vmf_insert_mixed'
> >> m68k-linux-ld: util.c:(.text+0xa2a): undefined reference to `remap_pfn_range_complete'
>    m68k-linux-ld: mm/util.o: in function `mmap_action_prepare':
> >> util.c:(.text+0xbe0): undefined reference to `remap_pfn_range_prepare'
>    m68k-linux-ld: mm/util.o: in function `__compat_vma_mmap_prepare':
>    util.c:(.text+0x10f6): undefined reference to `remap_pfn_range_prepare'

This must be nommu, what fun. I can repro locally, so will send a fix fix patch.

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