Re: SHM_LOCK under Linux ... do we use this?

On Wed, 17 Aug 2005, Tom Lane wrote:

> "Marc G. Fournier" <scrappy(at)postgresql(dot)org> writes:
>> A privileged user can prevent or allow swapping of a shared memory
>> segment with the following cmds:
>> SHM_LOCK prevents swapping of a shared memory segment. The user
>> must fault in any pages that are required to be present
>> after ...
>
>> I've done a grep through the code, to see if its something that we do use, and
>> it doesn't seem to come back with anything ...
>
> No, we don't. "privileged user" means root, so it's not possible for us
> to set that.

Ya, that's what I was figuring, but figured someone with more Linux
knowledge might know a 'loophole' we could exploit :)

----
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Email: scrappy(at)hub(dot)org Yahoo!: yscrappy ICQ: 7615664