RFR: Improved, more flexible heap region size settings

[Roman Kennke]

Ping?

Am Freitag, den 11.11.2016, 18:55 +0100 schrieb Roman Kennke:
> Currently, the heap region size is determined using hardcoded min
> (1M),
> max (32M) and target number (2048). We also have an option to
> explicitely set regions size, but it will still not go below or over
> the hardcoded bounds.
> 
> This change turns the 3 hardcoded values into proper cmd line args,
> and
> also changes -XX:ShenandoahHeapRegionSize to override whatever bounds
> are set (default or not). All 3 arguments are checked for sanity. I'm
> including a jtreg test for the args checking.
> 
> http://cr.openjdk.java.net/~rkennke/heapregionsize/webrev.00/
> 
> Ok?
> 
> Roman