nvif_vmm_put(&mem->cli->drm->client.vmm.vmm, &mem->vma[1]);
nvif_vmm_put(&mem->cli->drm->client.vmm.vmm, &mem->vma[0]);
mutex_lock(&mem->cli->drm->master.lock);
nvif_vmm_put(&mem->cli->drm->client.vmm.vmm, &mem->vma[1]);
nvif_vmm_put(&mem->cli->drm->client.vmm.vmm, &mem->vma[0]);
mutex_lock(&mem->cli->drm->master.lock);