Date: Fri, 30 Oct 2009 08:41:34 +0900
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: David Rientjes <rientjes@google.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
       Andrew Morton <akpm@linux-foundation.org>,
       Hugh Dickins <hugh.dickins@tiscali.co.uk>,
       Andrea Arcangeli <aarcange@redhat.com>, vedran.furac@gmail.com,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Subject: Re: [PATCH] oom_kill: use rss value instead of vm size for badness
Message-Id: <20091030084134.fc968a90.kamezawa.hiroyu@jp.fujitsu.com>
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On Thu, 29 Oct 2009 02:44:45 -0700 (PDT)
David Rientjes <rientjes@google.com> wrote:
> >   Then,
> >   - I'd like to drop file_rss.
> >   - I'd like to take swap_usage into acccount.
> >   - I'd like to remove cpu_time bonus. runtime bonus is much more important.
> >   - I'd like to remove penalty from children. To do that, fork-bomb detector
> >     is necessary.
> >   - nice bonus is bad. (We have oom_adj instead of this.) It should be
> >     if (task_nice(p) < 0)
> > 	points /= 2;
> >     But we have "root user" bonus already. We can remove this line.
> > 
> > After above, much more simple selection, easy-to-understand,  will be done.
> > 
> 
> Agreed, I think we'll need to rewrite most of the heuristic from scratch.

I'd like to post total redesgin of oom-killer in the next week.
plz wait.

Thanks,
-Kame

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