Re: [PATCH 02/11] oom: oom_kill_process() doesn't select kthread child

[KOSAKI Motohiro]

> On Wed, Jun 30, 2010 at 06:27:52PM +0900, KOSAKI Motohiro wrote:
> > Now, select_bad_process() have PF_KTHREAD check, but oom_kill_process
> > doesn't. It mean oom_kill_process() may choose wrong task, especially,
> > when the child are using use_mm().
> 
> Is it possible child is kthread even though parent isn't kthread?

Usually unhappen. but crappy driver can do any strange thing freely.
As I said, oom code should have conservative assumption as far as possible.



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/