RFR: (sh/8): Backport per-region seqnum tracking

[Zhengyu Gu]

Good to me.

-Zhengyu

On 11/11/19 10:05 AM, Roman Kennke wrote:
> This backports the per-region seqnum tracking, which is used by the
> traversal GC. It doesn't come with a bug-ID because it pre-dates
> Shenandoah upstreaming. I'd push it together with the Traversal GC backport.
> 
> Webrev:
> http://cr.openjdk.java.net/~rkennke/shjdk8-seqnum/webrev.01/
> 
> Testing: hotspot_gc_shenandoah
> 
> Ok?
> 
> Roman
>