Hi Gavin, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to hnaz-linux-mm/master linux/master v5.13 next-20210701] [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/Gavin-Shan/mm-debug_vm_pgtable-Fix-corrupted-PG_arch_1-by-set_pmd_at/20210702-183310 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3dbdb38e286903ec220aaf1fb29a8d94297da246 config: x86_64-randconfig-a004-20210702 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9eb613b2de3163686b1a4bd1160f15ac56a4b083) 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://github.com/0day-ci/linux/commit/414db1c0feb54b545b3df56bc19ffff27580deb5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Gavin-Shan/mm-debug_vm_pgtable-Fix-corrupted-PG_arch_1-by-set_pmd_at/20210702-183310 git checkout 414db1c0feb54b545b3df56bc19ffff27580deb5 # 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 errors (new ones prefixed by >>): >> mm/debug_vm_pgtable.c:347:22: error: invalid operands to binary expression ('struct page *' and 'struct page *') struct page *page = pfn_to_page(page); ^~~~~~~~~~~~~~~~~ include/asm-generic/memory_model.h:53:21: note: expanded from macro 'pfn_to_page' #define pfn_to_page __pfn_to_page ^ include/asm-generic/memory_model.h:25:37: note: expanded from macro '__pfn_to_page' #define __pfn_to_page(pfn) (vmemmap + (pfn)) ~~~~~~~ ^ ~~~~~ 1 error generated. vim +347 mm/debug_vm_pgtable.c 341 342 static void __init pud_advanced_tests(struct mm_struct *mm, 343 struct vm_area_struct *vma, pud_t *pudp, 344 unsigned long pfn, unsigned long vaddr, 345 pgprot_t prot) 346 { > 347 struct page *page = pfn_to_page(page); 348 pud_t pud; 349 350 if (!has_transparent_hugepage()) 351 return; 352 353 pr_debug("Validating PUD advanced\n"); 354 /* Align the address wrt HPAGE_PUD_SIZE */ 355 vaddr &= HPAGE_PUD_MASK; 356 357 pud = pfn_pud(pfn, prot); 358 set_pud_at(mm, vaddr, pudp, pud); 359 flush_dcache_page(page); 360 pudp_set_wrprotect(mm, vaddr, pudp); 361 pud = READ_ONCE(*pudp); 362 WARN_ON(pud_write(pud)); 363 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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