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Subject: Re: Kernel call chain search tool?
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Dan Kegel <dank@kegel.com>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <3D913D58.49D855DB@kegel.com>
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Date: 26 Sep 2002 16:15:48 +0100
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On Wed, 2002-09-25 at 05:36, Dan Kegel wrote:
> <prelude>
> I have a large multithreaded program that has a habit of using too
> much memory, and as a safeguard, I want to kill it before it makes
> the system unstable.  The OOM killer often guesses wrong, and RLIMIT_AS
> kills too soon because of the address space used up by the many thread
> stacks.
> So I'd like an RLIMIT_RSS that just kills the fat process.

The RSS limit isnt a "kill" limit in Unix. its a residency limit. Its
preventing the obese process from getting more than a certain amount of
RAM as opposed to swap

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