Hi Kemeng, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 0655af1b703c5ae3de3a1ba80e5e31690ccfae93 commit: 50d5bf1b6da9f74bf93f9dec601c09d45d6d8406 [2989/2989] x86: hugepage: use nt copy hugepage to AEP in x86 config: x86_64-buildonly-randconfig-002-20250628 (https://download.01.org/0day-ci/archive/20250701/202507011409.e2CKDnmq-lkp@i...) compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250701/202507011409.e2CKDnmq-lkp@i...) 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/202507011409.e2CKDnmq-lkp@intel.com/ All warnings (new ones prefixed by >>):

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arch/x86/lib/copy_highpages.o: warning: objtool: sysctl_hugepage_nocache_copy()+0x130: unreachable instruction

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki