[kas:uffd 3/12] mm/mprotect.c:659:13: error: use of undeclared identifier 'PAGE_NONE'; did you mean 'PAGE_COPY'?

[kas:uffd 3/12] mm/mprotect.c:659:13: error: use of undeclared identifier 'PAGE_NONE'; did you mean 'PAGE_COPY'?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git uffd
head:   bfa1e12c7a014c9ce5d1ae4b8b43dcb8e3d62965
commit: 871fdd0aefe33cdad832ec2005b7b8f5a1059033 [3/12] userfaultfd: implement UFFDIO_DEACTIVATE ioctl
config: sparc64-defconfig (https://download.01.org/0day-ci/archive/20260415/202604152211.toekRGc8-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260415/202604152211.toekRGc8-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/202604152211.toekRGc8-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/mprotect.c:659:13: error: use of undeclared identifier 'PAGE_NONE'; did you mean 'PAGE_COPY'?
     659 |                 newprot = PAGE_NONE;
         |                           ^~~~~~~~~
         |                           PAGE_COPY
   arch/sparc/include/asm/pgtable_64.h:202:17: note: 'PAGE_COPY' declared here
     202 | extern pgprot_t PAGE_COPY;
         |                 ^
   1 error generated.


vim +659 mm/mprotect.c

   657	
   658		if (cp_flags & MM_CP_UFFD_DEACTIVATE)
 > 659			newprot = PAGE_NONE;
   660	
   661		if (is_vm_hugetlb_page(vma))
   662			pages = hugetlb_change_protection(vma, start, end, newprot,
   663							  cp_flags);
   664		else
   665			pages = change_protection_range(tlb, vma, start, end, newprot,
   666							cp_flags);
   667	
   668		return pages;
   669	}
   670	

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