[openeuler:openEuler-1.0-LTS 1571/1571] mm/mincore.o: warning: objtool: mincore_pte_range()+0x154: unreachable instruction

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 332043630ae1e3b726dde819c6cb60a99afb2ad6 commit: 274fe639155078e031602764bfad9217e57d8160 [1571/1571] Revert "Change mincore() to count "mapped" pages rather than "cached" pages" config: x86_64-buildonly-randconfig-006-20250408 (https://download.01.org/0day-ci/archive/20250409/202504092107.ks7cBbF1-lkp@i...) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250409/202504092107.ks7cBbF1-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/202504092107.ks7cBbF1-lkp@intel.com/ All warnings (new ones prefixed by >>):
mm/mincore.o: warning: objtool: mincore_pte_range()+0x154: unreachable instruction
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