Low Memory - no using VM?

[attewell]

I am not sure my Mutant is using virtual memory?

Free memory gets very low.. and I get pixelation

But I notice free swap doesn't change? so wondering if swap/vm i snot being used correctly??
56585

[birdman]

The "cached" entry is also free memory. That's file-system data is has cached in memory (in case it is needed again). It can discard it at will.