Hi Vishal, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master next-20230428] [cannot apply to s390/features powerpc/next powerpc/fixes geert-m68k/for-next geert-m68k/for-linus v6.3] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Vishal-Moola-Oracle/mm-Add-PAGE_TYPE_OP-folio-functions/20230502-033042 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230501192829.17086-22-vishal.moola%40gmail.com patch subject: [PATCH v2 21/34] arm64: Convert various functions to use ptdescs config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20230502/202305020914.OGRWcEG1-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/8e9481b63b5773d7c914836dcd7fbec2449902bc git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vishal-Moola-Oracle/mm-Add-PAGE_TYPE_OP-folio-functions/20230502-033042 git checkout 8e9481b63b5773d7c914836dcd7fbec2449902bc # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305020914.OGRWcEG1-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/build_bug.h:5, from include/linux/bits.h:21, from include/linux/bitops.h:6, from arch/arm64/include/asm/cache.h:39, from include/linux/cache.h:6, from arch/arm64/mm/mmu.c:9: arch/arm64/mm/mmu.c: In function 'pgd_pgtable_alloc': >> arch/arm64/mm/mmu.c:440:24: error: invalid use of void expression 440 | BUG_ON(!ptdesc_pte_dtor(ptdesc)); | ^ include/linux/compiler.h:78:45: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ arch/arm64/mm/mmu.c:440:17: note: in expansion of macro 'BUG_ON' 440 | BUG_ON(!ptdesc_pte_dtor(ptdesc)); | ^~~~~~ arch/arm64/mm/mmu.c:442:24: error: invalid use of void expression 442 | BUG_ON(!ptdesc_pte_dtor(ptdesc)); | ^ include/linux/compiler.h:78:45: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ arch/arm64/mm/mmu.c:442:17: note: in expansion of macro 'BUG_ON' 442 | BUG_ON(!ptdesc_pte_dtor(ptdesc)); | ^~~~~~ vim +440 arch/arm64/mm/mmu.c 425 426 static phys_addr_t pgd_pgtable_alloc(int shift) 427 { 428 phys_addr_t pa = __pgd_pgtable_alloc(shift); 429 struct ptdesc *ptdesc = page_ptdesc(phys_to_page(pa)); 430 431 /* 432 * Call proper page table ctor in case later we need to 433 * call core mm functions like apply_to_page_range() on 434 * this pre-allocated page table. 435 * 436 * We don't select ARCH_ENABLE_SPLIT_PMD_PTLOCK if pmd is 437 * folded, and if so ptdesc_pte_dtor() becomes nop. 438 */ 439 if (shift == PAGE_SHIFT) > 440 BUG_ON(!ptdesc_pte_dtor(ptdesc)); 441 else if (shift == PMD_SHIFT) 442 BUG_ON(!ptdesc_pte_dtor(ptdesc)); 443 444 return pa; 445 } 446 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
