Re: + freezer-check-oom-kill-while-being-frozen.patch added to -mm tree

[Cong Wang]

On Thu, Oct 16, 2014 at 2:35 PM, Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
>
> If a task B is already frozen, it sleeps in D state.
>
> If OOM selects B as a victim after that, it won't be woken by
> SIGKILL, thus it obviously can't call should_thaw_current() and
> notice TIF_MEMDIE.

I see your point now, it would be more clear if you can just quote
the patch instead of changelog.

So are you saying the loop in __refrigerator() is useless? Since
it will always stay in asleep after schedule()?

>
> Btw, I also do not understand the cgroup_freezing() check in
> should_thaw_current(), but this is another story.
>

I hate to repeat the previous discussion. Maybe you can just follow
the link I gave to you? :)

Thanks.
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