# Re: \[PATCH 07/18\] mm, proc: make clear\_refs killable

- From: Oleg Nesterov \<oleg@redhat.com\>
- Date: 2016-02-29 17:58:26 
- List: linux-arch
- Page: https://ratatoskr.run/linux-arch/2016/02/4697180
- Thread: https://ratatoskr.run/linux-mm/2016/02/4696944/t.md

```text
On 02/29, Michal Hocko wrote:
>
> On Mon 29-02-16 18:38:45, Oleg Nesterov wrote:
> 
> > In this case you do not need put_task_struct().
> 
> Why not? Both are after get_proc_task which takes a reference to the
> task...

Yes, but we already have put_task_struct(task) in the "out_mm" path, so
"goto out_mm" should work just fine?

Oleg.
```