Test that try to exercise the swap paths need to check whether swap is
available, otherwise they'll just oom.
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
A few of the tools can be performed post-mortem from a different system,
so it is useful to be able to compile those tools on those foreign
systems. Obviously, any program to interact with the PCI device or talk
to GEM will fail on a non-Intel system.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
