RFR (S): 8223693: Memory wastage in size of per-region type buffers in GC

[Thomas Schatzl]

Hi Sangheon,

On Thu, 2019-05-30 at 13:40 -0700, sangheon.kim at oracle.com wrote:
> Hi Thomas,
> 
> On 5/24/19 5:25 AM, Thomas Schatzl wrote:
> > Hi all,
> > 
> >    can I have reviews for this small change in the constants for
> > G1HeapRegionAttr::_type field, eliminating some confusion and minor
> > memory wastage?
> > 
> > Perf testing showed no measurable impact of the change.
> > 
> > CR:
> > https://bugs.openjdk.java.net/browse/JDK-8223693
> > Webrev:
> > http://cr.openjdk.java.net/~tschatzl/8223693/webrev/
> 
> Looks good.

  thanks for your review.

Thomas