nvkm_vmm_ptes_put
nvkm_vmm_ptes_put(vmm, page, vmm->start, limit);
nvkm_vmm_ptes_put(vmm, &page[refd], addr, size);
nvkm_vmm_ptes_put(vmm, &page[refd], addr, size);
nvkm_vmm_ptes_put(vmm, page, addr, size);