linux-kernel - Re: OOM (HighMem) on linux 2.6.24.2

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Message-Id: <20080401173400.1711.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Tue, 01 Apr 2008 17:38:10 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	Peter Zijlstra <peterz@...radead.org>,
	Kevin Shanahan <kmshanah@...b.org.au>,
	linux-kernel@...r.kernel.org
Subject: Re: OOM (HighMem) on linux 2.6.24.2

Hi

> > > I kno that people routinely forget to do that, but
> > > at least for purely paranoid reasons you are better
> > > to run all daemons with setrlimit'ed memory size.
> > > At least all daemons which you cannot reasonably
> > > trust to be 100% leak-free and to have bounded
> > > peak memory usage.
> > 
> > Afaik we don't actually implement RLIMIT_RSS.
> 
> I don't know, but the following definitely works for me:
> 
> # softlimit -a 12000000 ./oom

probably you restrict virtuan address space, not rss.
but IMHO its restricsion can solve originaly problem.

Thanks

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