Hi Jonas, On Sun, May 26, 2019 at 4:29 PM kbuild test robot <lkp@xxxxxxxxx> wrote: > > tree: https://github.com/Kwiboo/linux-rockchip rockchip-5.1-patches-from-5.3-v5.1.5 > head: 622dad206e3b82c53acac1857f8a6ff970c0d01b > commit: 4004964b0854f3258032a723627d487882a74380 [83/106] drm/rockchip/rockchip_drm_gem.c: convert to use vm_map_pages() > config: arm64-allyesconfig (attached as .config) > compiler: aarch64-linux-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 > git checkout 4004964b0854f3258032a723627d487882a74380 > # save the attached .config to linux build tree > GCC_VERSION=7.4.0 make.cross ARCH=arm64 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > drivers/gpu//drm/rockchip/rockchip_drm_gem.c: In function 'rockchip_drm_gem_object_mmap_iommu': > >> drivers/gpu//drm/rockchip/rockchip_drm_gem.c:230:9: error: implicit declaration of function 'vm_map_pages'; did you mean 'vma_pages'? [-Werror=implicit-function-declaration] > return vm_map_pages(vma, rk_obj->pages, count); > ^~~~~~~~~~~~ > vma_pages > cc1: some warnings being treated as errors Looking into https://github.com/Kwiboo/linux-rockchip/blob/rockchip-5.1-patches-from-5.3-v5.1.5/mm/memory.c vm_map_pages() API is missing. vm_map_pages() merged into 5.2-rc1. Is the below match merged into https://github.com/Kwiboo/linux-rockchip ? https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.2-rc1&id=a667d7456f189e3422725dddcd067537feac49c0 > > vim +230 drivers/gpu//drm/rockchip/rockchip_drm_gem.c > > 219 > 220 static int rockchip_drm_gem_object_mmap_iommu(struct drm_gem_object *obj, > 221 struct vm_area_struct *vma) > 222 { > 223 struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); > 224 unsigned int count = obj->size >> PAGE_SHIFT; > 225 unsigned long user_count = vma_pages(vma); > 226 > 227 if (user_count == 0) > 228 return -ENXIO; > 229 > > 230 return vm_map_pages(vma, rk_obj->pages, count); > 231 } > 232 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation