[drm-misc:for-linux-next 1/3] ld.lld: error: undefined symbol: vmf_insert_pfn_prot

[kernel test robot]

tree:   git://anongit.freedesktop.org/drm/drm-misc for-linux-next
head:   2799804ac651da1375ecb9b9a644eba97218df07
commit: e3912d09bf8ddd8e274118d4c9cc550d9665115d [1/3] drm/ttm: Introduce KUnit test
config: riscv-randconfig-r022-20230810 (https://download.01.org/0day-ci/archive/20230811/202308110133.f0lhFwMV-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230811/202308110133.f0lhFwMV-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308110133.f0lhFwMV-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: vmf_insert_pfn_prot
   >>> referenced by ttm_bo_vm.c
   >>>               drivers/gpu/drm/ttm/ttm_bo_vm.o:(ttm_bo_vm_fault_reserved) in archive vmlinux.a
   >>> referenced by ttm_bo_vm.c
   >>>               drivers/gpu/drm/ttm/ttm_bo_vm.o:(ttm_bo_vm_dummy_page) in archive vmlinux.a

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for DRM_TTM
   Depends on [n]: HAS_IOMEM [=y] && DRM [=y] && MMU [=n]
   Selected by [y]:
   - DRM_TTM_KUNIT_TEST [=y] && HAS_IOMEM [=y] && DRM [=y] && KUNIT [=y]

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