Hi Maarten, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next v5.15-rc5 next-20211013] [cannot apply to airlied/drm-next] [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] url: https://github.com/0day-ci/linux/commits/Maarten-Lankhorst/drm-i915-Use-d... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-a015-20211013 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/647f0c4c47ffea53967daf523e8b93570... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Maarten-Lankhorst/drm-i915-Use-dma_resv_iter-for-waiting-in-i915_gem_object_wait_reservation/20211013-184219 git checkout 647f0c4c47ffea53967daf523e8b935707e7a586 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 18 | #include "dma_resv_utils.h" | ^~~~~~~~~~~~~~~~~~ compilation terminated. vim +18 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c 09137e94543761 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2020-07-08 17 6d393ef5ff5cac drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2020-12-23 @18 #include "dma_resv_utils.h" be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 19 #include "i915_trace.h" be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 20 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org