Hi NeilBrown, Thank you for the patch! Yet something to improve: [auto build test ERROR on cifs/for-next] [also build test ERROR on axboe-block/for-next rostedt-trace/for-next linus/master v5.16-rc5] [cannot apply to trondmy-nfs/linux-next hnaz-mm/master next-20211216] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/NeilBrown/Repair-SWAP-over-NFS/2... base: git://git.samba.org/sfrench/cifs-2.6.git for-next config: hexagon-randconfig-r045-20211216 (https://download.01.org/0day-ci/archive/20211217/202112171739.uSeLyZ1M-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 9043c3d65b11b442226015acfbf8167684586cfa) 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://github.com/0day-ci/linux/commit/3dd9e64650d0340fd6469ba4f8abc183b... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review NeilBrown/Repair-SWAP-over-NFS/20211217-075659 git checkout 3dd9e64650d0340fd6469ba4f8abc183bb2eea15 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon 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 error/warnings (new ones prefixed by >>): return find_get_incore_page(vma->vm_file->f_mapping, ^ return find_get_incore_page(vma->vm_file->f_mapping, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +/find_get_incore_page +5532 mm/memcontrol.c 90254a65833b67 Daisuke Nishimura 2010-05-26 5521 87946a72283be3 Daisuke Nishimura 2010-05-26 5522 static struct page *mc_handle_file_pte(struct vm_area_struct *vma, 48384b0b76f366 Peter Xu 2021-11-05 5523 unsigned long addr, pte_t ptent) 87946a72283be3 Daisuke Nishimura 2010-05-26 5524 { 87946a72283be3 Daisuke Nishimura 2010-05-26 5525 if (!vma->vm_file) /* anonymous vma */ 87946a72283be3 Daisuke Nishimura 2010-05-26 5526 return NULL; 1dfab5abcdd404 Johannes Weiner 2015-02-11 5527 if (!(mc.flags & MOVE_FILE)) 87946a72283be3 Daisuke Nishimura 2010-05-26 5528 return NULL; 87946a72283be3 Daisuke Nishimura 2010-05-26 5529 87946a72283be3 Daisuke Nishimura 2010-05-26 5530 /* page is moved even if it's not RSS of this task(page-faulted). */ aa3b189551ad8e Hugh Dickins 2011-08-03 5531 /* shmem/tmpfs may report page out on swap: account for that too. */ f5df8635c5a3c9 Matthew Wilcox (Oracle 2020-10-13 @5532) return find_get_incore_page(vma->vm_file->f_mapping, f5df8635c5a3c9 Matthew Wilcox (Oracle 2020-10-13 5533) linear_page_index(vma, addr)); 87946a72283be3 Daisuke Nishimura 2010-05-26 5534 } 87946a72283be3 Daisuke Nishimura 2010-05-26 5535 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org