amdgpu_vmid_free_reserved
void amdgpu_vmid_free_reserved(struct amdgpu_device *adev, struct amdgpu_vm *vm,
amdgpu_vmid_free_reserved(adev, vm, i);
amdgpu_vmid_free_reserved(adev, vm, AMDGPU_GFXHUB(0));