linux-kernel - Re: [PATCH] oom_kill: use rss value instead of vm size for badness

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 30 Oct 2009 08:41:34 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Andrea Arcangeli <aarcange@...hat.com>, vedran.furac@...il.com,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Subject: Re: [PATCH] oom_kill: use rss value instead of vm size for badness

On Thu, 29 Oct 2009 02:44:45 -0700 (PDT)
David Rientjes <rientjes@...gle.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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/