walk_hole        1037 drivers/gpu/drm/i915/selftests/i915_gem_gtt.c 	return exercise_ppgtt(arg, walk_hole);
walk_hole        1121 drivers/gpu/drm/i915/selftests/i915_gem_gtt.c 	return exercise_ggtt(arg, walk_hole);
walk_hole        1276 drivers/gpu/drm/i915/selftests/i915_gem_gtt.c 	return exercise_mock(ggtt->vm.i915, walk_hole);