Quoting James Morris ([email protected]):
> From: David Quigley <[email protected]>
>
> This patch inserts security_task_movememory hook calls into memory
> management code to enable security modules to mediate this operation
> between tasks.
>
> Since the last posting, the hook has been renamed following feedback from
> Christoph Lameter.
>
> This patch is aimed at 2.6.18 inclusion.
>
> Please apply.
Hi,
sorry if I'm being dense - what is actually being protected against
here? The only thing I can think of is one process causing performance
degradation to another by moving it's memory further from it's cpu on a
NUMA machine.
Is there something more? (And is what I'm guessing even possible?)
I'm not arguing against this hook, just wondering whether there's
more to this than I see.
thanks,
-serge
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