Made Pointer::BufferNumber a final field of the PointerImpl implementation since there can't be a non MemoryBuffer pointer anymore. This has an advantage in the memory visibility of the field when cleaning short living pointers.

git-svn-id: https://svn.apache.org/repos/asf/directmemory/trunk@1404610 13f79535-47bb-0310-9956-ffa450edef68
6 files changed