Hi Muchun, Thank you for the patch! Yet something to improve: [auto build test ERROR on hnaz-mm/master] [also build test ERROR on next-20220225] [cannot apply to linus/master v5.17-rc6] [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/Muchun-Song/Fix-some-bugs-related-to-ramp-and-dax/20220228-143753 base: https://github.com/hnaz/linux-mm master config: riscv-randconfig-r012-20220227 (https://download.01.org/0day-ci/archive/20220228/202202281913.ZakSkynK-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/4b08af172f30c61ae5f43ec23642e2767371247e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Muchun-Song/Fix-some-bugs-related-to-ramp-and-dax/20220228-143753 git checkout 4b08af172f30c61ae5f43ec23642e2767371247e # 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=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> mm/page_vma_mapped.c:113:13: error: call to __compiletime_assert_258 declared with 'error' attribute: BUILD_BUG failed if ((pfn + HPAGE_PMD_NR - 1) < pvmw->pfn) ^ include/linux/huge_mm.h:105:26: note: expanded from macro 'HPAGE_PMD_NR' #define HPAGE_PMD_NR (1<<HPAGE_PMD_ORDER) ^ include/linux/huge_mm.h:104:26: note: expanded from macro 'HPAGE_PMD_ORDER' #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) ^ include/linux/huge_mm.h:307:28: note: expanded from macro 'HPAGE_PMD_SHIFT' #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:335:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:328:4: note: expanded from macro '__compiletime_assert' prefix ## suffix(); \ ^ <scratch space>:73:1: note: expanded from here __compiletime_assert_258 ^ 1 error generated. vim +/error +113 mm/page_vma_mapped.c 9188af981d385d Andrew Morton 2022-02-25 109 9188af981d385d Andrew Morton 2022-02-25 110 /* Returns true if the two ranges overlap. Careful to not overflow. */ 9188af981d385d Andrew Morton 2022-02-25 111 static bool check_pmd(unsigned long pfn, struct page_vma_mapped_walk *pvmw) 9188af981d385d Andrew Morton 2022-02-25 112 { 9188af981d385d Andrew Morton 2022-02-25 @113 if ((pfn + HPAGE_PMD_NR - 1) < pvmw->pfn) 9188af981d385d Andrew Morton 2022-02-25 114 return false; 9188af981d385d Andrew Morton 2022-02-25 115 if (pfn > pvmw->pfn + pvmw->nr_pages - 1) 9188af981d385d Andrew Morton 2022-02-25 116 return false; 9188af981d385d Andrew Morton 2022-02-25 117 return true; ace71a19cec5eb Kirill A. Shutemov 2017-02-24 118 } ace71a19cec5eb Kirill A. Shutemov 2017-02-24 119 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
