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SubjectRe: [PATCH v3 3/6] memcg: Simplify mem_cgroup_force_empty_list error handling
On Tue, 30 Oct 2012 11:35:59 +0100
Michal Hocko <mhocko@suse.cz> wrote:

> > If the kernel is uniprocessor and the caller is SCHED_FIFO: ad infinitum!
>
> ...
>
> Can we consider this as a corner case (it is much easier to kill a
> machine with SCHED_FIFO than this anyway) or the concern is really
> strong and we should come with a solution before this can get merged?

Sure. SCHED_FIFO can be used to permanently block all kernel threads
which pretty quickly results in a very sick kernel. My observation was
just a general moan about the SCHED_FIFO wontfix problem :)



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