aper_available_size  100 drivers/gpu/drm/i915/i915_gem.c 	args->aper_available_size = args->aper_size - pinned;
aper_available_size 1343 include/uapi/drm/i915_drm.h 	__u64 aper_available_size;
aper_available_size 1343 tools/include/uapi/drm/i915_drm.h 	__u64 aper_available_size;