Re: [2.4.18] Security: Process-Killer if machine get's out of memory

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sun Mar 24 2002 - 11:54:23 EST


> Advantage of combining consumption-speed and memory usage per process
> would be, that processes could be filtered, which are obviously broken.
> If the behaviour of the process is correct, than the machine hasn't
> enough memory. But this is a problem, which cannot be handled by the kernel.

With 2.4.19pre3-ac3+ you don't need a heuristic. Do

        echo "2" >/proc/sys/vm/overcommit_memory

The system will then fail allocations before they can cause an OOM status.
It might be interesting to add "except root" modes to this.

Alan
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