In the example above:
root
/ \
A D
/ \
B C
Does oom_group allow me to express "compare A and D; if A is chosen
compare B and C; kill the loser" ? As I understand the proposal (from
reading thread, not patch) it does not.
On Mon, Oct 2, 2017 at 12:56 PM, Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> On Mon 02-10-17 12:45:18, Shakeel Butt wrote:
>> > I am sorry to cut the rest of your proposal because it simply goes over
>> > the scope of the proposed solution while the usecase you are mentioning
>> > is still possible. If we want to compare intermediate nodes (which seems
>> > to be the case) then we can always provide a knob to opt-in - be it your
>> > oom_gang or others.
>>
>> In the Roman's proposed solution we can already force the comparison
>> of intermediate nodes using 'oom_group', I am just requesting to
>> separate the killall semantics from it.
>
> oom_group _is_ about killall semantic. And comparing killable entities
> is just a natural thing to do. So I am not sure what you mean
>
> --
> Michal Hocko
> SUSE Labs
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