Re: [Patch v2] freezer: check OOM kill while being frozen

From: Michal Hocko
Date: Wed Aug 13 2014 - 05:27:09 EST


On Tue 12-08-14 17:53:33, Cong Wang wrote:
> On Tue, Aug 12, 2014 at 4:44 AM, Michal Hocko <mhocko@xxxxxxx> wrote:
[...]
> >> @@ -147,12 +156,6 @@ void __thaw_task(struct task_struct *p)
> >> {
> >> unsigned long flags;
> >>
> >> - /*
> >> - * Clear freezing and kick @p if FROZEN. Clearing is guaranteed to
> >> - * be visible to @p as waking up implies wmb. Waking up inside
> >> - * freezer_lock also prevents wakeups from leaking outside
> >> - * refrigerator.
> >> - */
> >
> > This is an unrelated change.
> >
>
> It is, because as I explained, __thaw_task() doesn't do what this comment
> says therefore needs this patch. Or you prefer to make it a separated patch?

It is outdated since a3201227f803. I would do it in a separate patch but
maybe just mention that the above commit has changed the implementation.

--
Michal Hocko
SUSE Labs
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