tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 9d49ed9ca93b8c564033c1d6808017bc9052b5db commit: cde193f4250934db757c15e1b857e517cc10d8c2 [8043/8469] mm/vmalloc: remove unmap_kernel_range config: x86_64-randconfig-a015-20210329 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 2a28d1d3b7bf2062288b46af34e33ccc543a99fa) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=cde193f4250934db757c15e1b857e517cc10d8c2 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout cde193f4250934db757c15e1b857e517cc10d8c2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> mm/vmalloc.c:425: warning: expecting prototype for vunmap_range_noflush(). Prototype was for vunmap_range() instead vim +425 mm/vmalloc.c 414 415 /** 416 * vunmap_range_noflush - unmap kernel virtual addresses 417 * @addr: start of the VM area to unmap 418 * @end: end of the VM area to unmap (non-inclusive) 419 * 420 * Clears any present PTEs in the virtual address range, flushes TLBs and 421 * caches. Any subsequent access to the address before it has been re-mapped 422 * is a kernel bug. 423 */ 424 void vunmap_range(unsigned long addr, unsigned long end) > 425 { 426 flush_cache_vunmap(addr, end); 427 vunmap_range_noflush(addr, end); 428 flush_tlb_kernel_range(addr, end); 429 } 430 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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