[ardb:arm64-mm-ro-pmds-puds 2/2] arch/arm64/include/asm/pgtable.h:984:30: error: no member named 'p4d' in 'p4d_t'

[ardb:arm64-mm-ro-pmds-puds 2/2] arch/arm64/include/asm/pgtable.h:984:30: error: no member named 'p4d' in 'p4d_t'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git arm64-mm-ro-pmds-puds
head:   94ed97bda114e544f5563b31ac9babc7508ac535
commit: 94ed97bda114e544f5563b31ac9babc7508ac535 [2/2] WIP
config: arm64-randconfig-r051-20260828 (https://download.01.org/0day-ci/archive/20260828/202608281105.Cffss7UO-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260828/202608281105.Cffss7UO-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/202608281105.Cffss7UO-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/arm64/kernel/asm-offsets.c:13:
   In file included from include/linux/ftrace.h:10:
   In file included from include/linux/trace_recursion.h:5:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/arm64/include/asm/hardirq.h:17:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:12:
   In file included from arch/arm64/include/asm/io.h:12:
   In file included from include/linux/pgtable.h:6:
>> arch/arm64/include/asm/pgtable.h:984:30: error: no member named 'p4d' in 'p4d_t'
     984 |                 set_readonly_ptval(pa, p4d.p4d);
         |                                        ~~~ ^
   1 error generated.
   make[3]: *** [scripts/Makefile.build:185: arch/arm64/kernel/asm-offsets.s] Error 1
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1414: prepare0] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +984 arch/arm64/include/asm/pgtable.h

   978	
   979	static inline void set_p4d(p4d_t *p4dp, p4d_t p4d)
   980	{
   981		u64 pa;
   982	
   983		if (in_kernel_rodata_lmalias(p4dp, &pa)) {
 > 984			set_readonly_ptval(pa, p4d.p4d);
   985			return;
   986		}
   987	
   988		WRITE_ONCE(*p4dp, p4d);
   989		queue_pte_barriers();
   990	}
   991	

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