Unmap (prev.End, next.Start) during pma invalidation.
Unmap (prev.End, next.Start) during pma invalidation.

This should allow lower-layers to clean-up intermediate structures more
effectively, without additional heavy-lifting.

PiperOrigin-RevId: 476144809

google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor