On 11/25/19 12:44 AM, kbuild test robot wrote: > Hi John, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on rdma/for-next] > [cannot apply to v5.4 next-20191122] > [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/John-Hubbard/pin_user_pages-reduced-risk-series-for-Linux-5-5/20191125-125637 > base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next > config: arm-randconfig-a001-20191125 (attached as .config) > compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0 > 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=7.4.0 make.cross ARCH=arm > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > mm/gup.o: In function `pin_user_pages_remote': >>> mm/gup.c:2528: undefined reference to `get_user_pages_remote' > > vim +2528 mm/gup.c This, and the other (sh) report, is due to !CONFIG_MMU lacking a get_user_pages_remote(), but pin_user_pages_remote() needs it for a (temporary) implementation. I'll post the fix, in v2. thanks, -- John Hubbard NVIDIA
