RFR: Adjust metaspace size during each GC

[Zhengyu Gu]

Of course, also for full GC:
Updated: 
http://cr.openjdk.java.net/~zgu/shenandoah/adj_metaspace/webrev.01/index.html

Retested:
   tier3_gc_shenandoah (fastdebug and release)

Thanks,

-Zhengyu


On 10/26/2018 03:30 PM, Zhengyu Gu wrote:
> Adjust metaspace size during each GC cycle.
> 
> This patch, on top of early "Handle metadata induced GC" patch, clears 
> vmTestbase/metaspace tests
> 
> 
> Webrev: http://cr.openjdk.java.net/~zgu/shenandoah/adj_metaspace/webrev.00/
> 
> Test:
>    tier3_gc_shenandoah (fastdebug and release)
>    vmTestbase/metaspace (fastdebug and release)
> 
> Thanks,
> 
> -Zhengyu