[openeuler:OLK-6.6 2938/2938] arch/arm64/include/asm/xcall.h:13:31: error: use of undeclared identifier '__NR_syscalls'

[kernel test robot <lkp@intel.com>]

tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   3e16741023a15d92f4be3343cb4d8b508327dda3
commit: b5fb30ccdb3d8ed46e1e740d9aaebcb96f8db97a [2938/2938] arm64: Reserve a kabi in task_struct exclusively for xcall
config: arm64-randconfig-004-20250926 (https://download.01.org/0day-ci/archive/20250926/202509261758.dGIOcfV5-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project cafc064fc7a96b3979a023ddae1da2b499d6c954)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250926/202509261758.dGIOcfV5-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/202509261758.dGIOcfV5-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/arm64/kernel/xcall.c:10:
>> arch/arm64/include/asm/xcall.h:13:31: error: use of undeclared identifier '__NR_syscalls'
      13 |         DECLARE_BITMAP(xcall_enable, __NR_syscalls);
         |                                      ^~~~~~~~~~~~~
   arch/arm64/kernel/xcall.c:23:8: error: use of undeclared identifier '__NR_syscalls'
      23 |                             __NR_syscalls);
         |                             ^~~~~~~~~~~~~
   2 errors generated.


vim +/__NR_syscalls +13 arch/arm64/include/asm/xcall.h

    10	
    11	struct xcall_info {
    12		/* Must be first! */
  > 13		DECLARE_BITMAP(xcall_enable, __NR_syscalls);
    14	};
    15	

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