Re: [PATCH 4/5] oom: don't kill random process
From: KOSAKI Motohiro
Date: Tue May 24 2011 - 05:09:56 EST
>>> Hmm, If I understand your code correctly, unprivileged process can get
>>> a score 1 by 3% bonus.
>>
>> 3% bonus is for privileged process. :)
>
> OMG. Typo.
> Anyway, my point is following as.
> If chose_point is 1, it means root bonus is rather big. Right?
> If is is, your patch does second loop with completely ignore of bonus
> for root privileged process.
> My point is that let's not ignore bonus completely. Instead of it,
> let's recalculate 1.5% for example.
1) unpriviledged process can't get score 1 (because at least a process need one
anon, one file and two or more ptes).
2) then, score=1 mean all processes in the system are privileged. thus decay won't help.
IOW, never happen privileged and unprivileged score in this case.
>
> But I don't insist on my idea.
> Thanks.
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