tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5b56c883c34a890a3f9ca7baa8aea426538c88a8 commit: 9b3ba7800bc02ca4f0e62d79b32edc22e24ca926 [1531/1531] mm: swap: fix race between free_swap_and_cache() and swapoff() config: x86_64-buildonly-randconfig-005-20250329 (https://download.01.org/0day-ci/archive/20250330/202503301931.DQUjzVBe-lkp@i...) compiler: clang version 20.1.1 (https://github.com/llvm/llvm-project 424c2d9b7e4de40d0804dd374721e6411c27d1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250330/202503301931.DQUjzVBe-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/202503301931.DQUjzVBe-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/swapfile.c:11: In file included from include/linux/hugetlb.h:45: include/linux/mempolicy.h:329:13: warning: unused function '__do_mbind' [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ 1 warning generated.
mm/swapfile.o: warning: objtool: free_swap_and_cache()+0x10f: unreachable instruction
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