8068352: Move virtualspace.* out of src/share/vm/runtime to memory directory
Summary: Move virtualspace.* out of src/share/vm/runtime to memory directory
Reviewed-by: brutisso, sgehwolf, stefank, sspitsyn
8073705: more performance issues in class redefinition
Summary: Optimize the method pointer adjustments for prev klass versions and MNT
Reviewed-by: dcubed, coleenp