drm_gpuvm_interval_empty
EXPORT_SYMBOL_GPL(drm_gpuvm_interval_empty);
if (!drm_gpuvm_interval_empty(&uvmm->base, addr, range))
return drm_gpuvm_interval_empty(&uvmm->base,
bool drm_gpuvm_interval_empty(struct drm_gpuvm *gpuvm, u64 addr, u64 range);