Re: 2.4 kernel series and the oom_killer and /proc/sys/vm/overcommit_memory

From: Alan Cox (
Date: Thu Aug 22 2002 - 12:32:53 EST

On Thu, 2002-08-22 at 16:19, Marc-Christian Petersen wrote:
> If I understand it correct, /proc/sys/vm/overcommit_memory controls if there
> is "1" always enough memory and if "0" every program call checks if there is
> enough memory.


0 is a heuristic overcommit
1 is "anything goes"

and with a -ac kernel

2 is a proper overcommit manager
3 is a totally paranoid one that will require everything in ram can be
dumped to swap or paged back from backing store

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