drm/i915: Warn before mmaping a purgeable buffer.
Only allow the user to mmap buffers that have not been marked as
purgeable.
Signed-off-by: 
Chris Wilson <chris@chris-wilson.co.uk>
parent
bb6baf76
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Only allow the user to mmap buffers that have not been marked as
purgeable.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>