David Yat Sin
b219d0224d
Add support for reserving virtual address ranges. Virtual address
ranges are addresses without any memory backing. These address ranges
need to be mapped to memory handles later.
This is part of patch series for Virtual Memory API.
Change-Id: I5d066e7421d6896f933f524312afc230a13d594e
[ROCm/ROCR-Runtime commit: 1085311f1a]