ld.lld: error: undefined symbol: __start_bss_decrypted_gap

tree:   https://github.com/intel-lab-lkp/linux/commits/Hamza-Mahfooz/x86-mm-64-free-the-gap-between-BSS_MAIN-and-BSS_DECRYPTED/20260731-173801
head:   ddb58c4e7a281dab36ea61d09c54c5564f46265b
commit: ddb58c4e7a281dab36ea61d09c54c5564f46265b x86/mm/64: free the gap between BSS_MAIN and BSS_DECRYPTED
date:   2 days ago
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260802/[email protected]/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260802/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __start_bss_decrypted_gap
   >>> referenced by init_64.c:0 (arch/x86/mm/init_64.c:0)
   >>>               vmlinux.o:(mark_rodata_ro)
--
>> ld.lld: error: undefined symbol: __start_bss_decrypted
   >>> referenced by init_64.c:0 (arch/x86/mm/init_64.c:0)
   >>>               vmlinux.o:(mark_rodata_ro)

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