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

[Thomas Schatzl]

Hi,

On Fri, 2019-05-24 at 17:13 -0400, Kim Barrett wrote:
> > On May 24, 2019, at 8:25 AM, Thomas Schatzl <
> > thomas.schatzl at oracle.com> 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/
> > Testing:
> > hs-tier1-5 in conjunction with other changes; perf testing showed
> > no
> > measurable impact
> > 
> > Thanks,
> >  Thomas
> 
> Looks good.
> 

  thanks for your review.

Thomas