On 2022/4/20 13:56, kernel test robot wrote: > Hi Peter, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on hnaz-mm/master] > > url: https://github.com/intel-lab-lkp/linux/commits/Peter-Xu/mm-swap-Fix-lost-swap-bits-in-unuse_pte/20220420-053845 > base: https://github.com/hnaz/linux-mm master > config: s390-randconfig-r023-20220420 (https://download.01.org/0day-ci/archive/20220420/202204201313.QYiDBRbL-lkp@xxxxxxxxx/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b) > 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 s390 cross compiling tool for clang build > # apt-get install binutils-s390x-linux-gnu > # https://github.com/intel-lab-lkp/linux/commit/355ac3eb45402f7aab25b76af029d4390af05238 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Peter-Xu/mm-swap-Fix-lost-swap-bits-in-unuse_pte/20220420-053845 > git checkout 355ac3eb45402f7aab25b76af029d4390af05238 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > The variable name is newpte. But it's written as new_pte latter. Many thanks for report! BTW: Since this is not a formal patch (no compile tested). Is Reported-by tag still needed? Thanks! > All errors (new ones prefixed by >>): > >>> mm/swapfile.c:1824:2: error: use of undeclared identifier 'new_pte'; did you mean 'newpte'? > new_pte = pte_mkold(mk_pte(page, vma->vm_page_prot)); > ^~~~~~~ > newpte > mm/swapfile.c:1786:14: note: 'newpte' declared here > pte_t *pte, newpte; > ^ > mm/swapfile.c:1826:26: error: use of undeclared identifier 'new_pte' > pte = pte_mksoft_dirty(new_pte); > ^ > mm/swapfile.c:1828:23: error: use of undeclared identifier 'new_pte' > pte = pte_mkuffd_wp(new_pte); > ^ > mm/swapfile.c:1829:36: error: use of undeclared identifier 'new_pte'; did you mean 'newpte'? > set_pte_at(vma->vm_mm, addr, pte, new_pte); > ^~~~~~~ > newpte > mm/swapfile.c:1786:14: note: 'newpte' declared here > pte_t *pte, newpte; > ^ > 4 errors generated. ... > 1839 >
