On 02/19/2020 06:44 AM, kbuild test robot wrote: > Hi Anshuman, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on mmotm/master] > [also build test ERROR on tip/perf/core m68k/for-next powerpc/next tip/sched/core char-misc/char-misc-testing linux/master linus/master tip/x86/mm asm-generic/master v5.6-rc2 next-20200218] > [cannot apply to kvm-ppc/kvm-ppc-next] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > > url: https://github.com/0day-ci/linux/commits/Anshuman-Khandual/mm-vma-Use-available-wrappers-when-possible/20200219-065223 > base: git://git.cmpxchg.org/linux-mmotm.git master > config: nds32-allnoconfig (attached as .config) > compiler: nds32le-linux-gcc (GCC) 9.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > GCC_VERSION=9.2.0 make.cross ARCH=nds32 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > In file included from arch/nds32/include/asm/tlb.h:7, > from arch/nds32/mm/init.c:18: > include/asm-generic/tlb.h: In function 'tlb_update_vma_flags': >>> include/asm-generic/tlb.h:382:18: error: implicit declaration of function 'is_vm_hugetlb_page' [-Werror=implicit-function-declaration] > 382 | tlb->vma_huge = is_vm_hugetlb_page(vma); > | ^~~~~~~~~~~~~~~~~~ > cc1: some warnings being treated as errors Though I am unable to reproduce this build failure [1], it seems like explicitly adding <linux/hugetlb.h> or <linux/hugetlb_inline.h> header will be sufficient. [1] nds32 build failure (error while loading shared libraries) /usr/lib/x86_64-linux-gnu/libfl.so.2: invalid ELF header
