This change enables allocating memory (for the heap) at dedicated addresses on aix. This is needed to fully expoint compressed oops modes. Further it adds support for 64K pages. Altogether it improves performance on aix by a few percent. I include some minor cleanups.
*Note:*
This change was submitted with the wrong bugID 8075505.
*Note:*
This change was submitted with the wrong bugID 8075505.