[rppt:uffd+guestmemfd/v1 12/15] mm/memory.c:5340:28: error: 'const struct vm_operations_struct' has no member named 'uffd_ops'

[rppt:uffd+guestmemfd/v1 12/15] mm/memory.c:5340:28: error: 'const struct vm_operations_struct' has no member named 'uffd_ops'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git uffd+guestmemfd/v1
head:   ea5af993d28d129d273453041a5ad6b3a1a9e31a
commit: 40ced64186624690248a72f77202a245eb1717e3 [12/15] mm: generalize handling of userfaults in __do_fault()
config: nios2-allnoconfig (https://download.01.org/0day-ci/archive/20260224/202602240004.Sop2OCIr-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260224/202602240004.Sop2OCIr-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/202602240004.Sop2OCIr-lkp@intel.com/

All errors (new ones prefixed by >>):

   mm/memory.c: In function '__do_userfault':
>> mm/memory.c:5340:28: error: 'const struct vm_operations_struct' has no member named 'uffd_ops'
    5340 |         folio = vma->vm_ops->uffd_ops->get_folio_noalloc(inode, vmf->pgoff);
         |                            ^~


vim +5340 mm/memory.c

  5330	
  5331	static vm_fault_t __do_userfault(struct vm_fault *vmf)
  5332	{
  5333		struct vm_area_struct *vma = vmf->vma;
  5334		struct inode *inode = file_inode(vma->vm_file);
  5335		struct folio *folio;
  5336	
  5337		if (!(userfaultfd_missing(vma) || userfaultfd_minor(vma)))
  5338			return 0;
  5339	
> 5340		folio = vma->vm_ops->uffd_ops->get_folio_noalloc(inode, vmf->pgoff);
  5341		if (!IS_ERR_OR_NULL(folio)) {
  5342			/*
  5343			 * TODO: provide a flag for get_folio_noalloc() to avoid
  5344			 * locking (or even the extra reference?)
  5345			 */
  5346			folio_unlock(folio);
  5347			folio_put(folio);
  5348			if (userfaultfd_minor(vma))
  5349				return handle_userfault(vmf, VM_UFFD_MINOR);
  5350		} else {
  5351			if (userfaultfd_missing(vma))
  5352				return handle_userfault(vmf, VM_UFFD_MISSING);
  5353		}
  5354	
  5355		return 0;
  5356	}
  5357	

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https://github.com/intel/lkp-tests/wiki