kbuild test robot <l...@intel.com> writes: > Hi Oliver, > > [auto build test ERROR on powerpc/next] > [also build test ERROR on v4.12-rc6 next-20170623] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system] > > url: > https://github.com/0day-ci/linux/commits/Oliver-O-Halloran/mm-x86-Add-ARCH_HAS_ZONE_DEVICE-to-Kconfig/20170625-102522 > base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next > config: powerpc-defconfig (attached as .config) > compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 > reproduce: > wget > https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O > ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=powerpc > > All errors (new ones prefixed by >>): > > mm/gup.c: In function '__gup_device_huge_pud': >>> mm/gup.c:1329:14: error: implicit declaration of function 'pud_pfn' >>> [-Werror=implicit-function-declaration] > fault_pfn = pud_pfn(pud) + ((addr & ~PUD_MASK) >> PAGE_SHIFT); > ^~~~~~~ > cc1: some warnings being treated as errors
The key here is that CONFIG_TRANSPARENT_HUGEPAGE=n. So this needs to be fixed before I can merge this. I think the problem is just that pud_pfn() is inside #ifdef CONFIG_TRANSPARENT_HUGEPAGE but shouldn't be. cheers
