Re: [v3 5/6] mm, oom: don't mark all oom victims tasks with TIF_MEMDIE

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On Wed 21-06-17 22:19:15, Roman Gushchin wrote:
> We want to limit the number of tasks which are having an access
> to the memory reserves. To ensure the progress it's enough
> to have one such process at the time.
> 
> If we need to kill the whole cgroup, let's give an access to the
> memory reserves only to the first process in the list, which is
> (usually) the biggest process.
> This will give us good chances that all other processes will be able
> to quit without an access to the memory reserves.

I don't like this to be honest. Is there any reason to go the reduced
memory reserves access to oom victims I was suggesting earlier [1]?

[1] http://lkml.kernel.org/r/http://lkml.kernel.org/r/1472723464-22866-2-git-send-email-mhocko@xxxxxxxxxx
-- 
Michal Hocko
SUSE Labs
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