On Thu, Jun 29, 2017 at 10:53:57AM +0200, Michal Hocko wrote:

On Wed 21-06-17 22:19:15, Roman Gushchin wrote:

quoted

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@kernel.org

I've nothing against your approach. What's the state of this patchset?
Do you plan to bring it upstream?

Roman

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