nvkm_vmm_node_search
vma = nvkm_vmm_node_search(vmm, addr);
if (ret = -ENOENT, !(vma = nvkm_vmm_node_search(vmm, addr))) {
vma = nvkm_vmm_node_search(vmm, args->v0.addr);
struct nvkm_vma *vma = nvkm_vmm_node_search(vmm, addr);
if (!(vma = nvkm_vmm_node_search(vmm, addr)))
struct nvkm_vma *nvkm_vmm_node_search(struct nvkm_vmm *, u64 addr);