amdgpu_vm_clear_freed
(void)amdgpu_vm_clear_freed(adev, vm, &bo_va->last_pt_update);
r = amdgpu_vm_clear_freed(adev, vm, NULL);
r = amdgpu_vm_clear_freed(adev, vm, NULL);
r = amdgpu_vm_clear_freed(adev, vm, &fence);
r = amdgpu_vm_clear_freed(adev, vm, &vm->last_update);
int amdgpu_vm_clear_freed(struct amdgpu_device *adev,