[kbuild-all] mm/vmalloc.o: warning: objtool: vmalloc_to_page()+0x24f: unreachable instruction

CC: linux-kernel(a)vger.kernel.org TO: Nicholas Piggin <npiggin(a)gmail.com&gt; CC: Miaohe Lin <linmiaohe(a)huawei.com&gt; CC: Christoph Hellwig <hch(a)lst.de&gt; CC: Andrew Morton <akpm(a)linux-foundation.org&gt; CC: Linux Memory Management List <linux-mm(a)kvack.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e22ce8eb631bdc47a4a4ea7ecf4e4ba499db4f93 commit: c0eb315ad9719e41ce44708455cc69df7ac9f3f8 mm/vmalloc: fix HUGE_VMAP regression by enabling huge pages in vmalloc_to_page date: 4 months ago config: x86_64-buildonly-randconfig-r003-20210819 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d2b574a4dea5b718e4386bf2e26af0126e5978ce) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout c0eb315ad9719e41ce44708455cc69df7ac9f3f8 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org