nvkm_vmm_free_insert
nvkm_vmm_free_insert(vmm, vma);
nvkm_vmm_free_insert(vmm, vma);
nvkm_vmm_free_insert(vmm, vma);
nvkm_vmm_free_insert(vmm, vma);
nvkm_vmm_free_insert(vmm, tmp);