xa_alloc
r = xa_alloc(&waitq->fence_drv_xa, &index, fence_drv,
r = xa_alloc(drm_minor_get_xa(type), &minor->index,
r = xa_alloc(&drm_minors_xa, &minor->index,
err = xa_alloc(&file_priv->vm_xa, &id, &ppgtt->vm,
err = xa_alloc(&file_priv->vm_xa, &id, vm, xa_limit_32b, GFP_KERNEL);
ret = xa_alloc(&ext_data.fpriv->context_xa, &id, NULL,
ret = xa_alloc(&fpriv->context_xa, id, NULL, xa_limit_32b, GFP_KERNEL);
err = xa_alloc(&fpriv->context_xa, &id, NULL, xa_limit_32b, GFP_KERNEL);
ret = xa_alloc(&job->dependencies, &id, fence, xa_limit_32b, GFP_KERNEL);