[DGD] preventing objects from ever swapping out

[Par Winzell]

> Since there doesn't seem to be an in-built feature to prevent certain 
> objects from being swapped out, I'm wondering what would be an 
> appropriate way to do it. I was thinking maybe doing a call_out 
> intermittently to an empty function would suffice (not sure what 
> interval to use though). What do you think?

You cannot fully prevent objects from being swapped out; any state dump 
you do will swap every object out (that's how state dumps are created). 
In practice, you could add a heartbeat call_out() to an object if you 
want to keep it more or less permanently swapped in, sure.

Zell
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