Re: [patch] oom: thaw threads if oom killed thread is frozen before deferring

Tejun Heo
2011-09-30T07:46:47Z

Hello,

On Fri, Sep 30, 2011 at 09:41:25AM +0200, Michal Hocko wrote:
> > With pending freezer changes, allowing TIF_MEMDIE tasks to exit
> > freezer by modifying freezing() shouldn't be difficult, which should
> > be race-free and much simpler than diddling with thaw_task().
>
> Will the rework help with the initial problem of unkillable OOM selected
> frozen tasks or it will just help with other races that might be present
> with the patch? In other words will this work deprecate the 2 patches
> sent earlier in this thread?

I think it shouldn't be difficult to allow OOM-killing frozen tasks.
That should be good enough, right?

> > How urgent is this? Can we wait for the next merge window?
>
> Yes, I think we can wait some more.

I'm still processing rather large backlog. I'll ping you back once I
sort out the pending freezer changes.

Thanks.

--
tejun