RFR: 8213224: Move code related to GC threads calculation out of AdaptiveSizePolicy

[Man Cao]

Thanks for the review!

Addressed nits:
https://cr.openjdk.java.net/~manc/8213224/webrev.02/

Thanks,
Man
On Thu, Nov 22, 2018 at 4:16 AM Thomas Schatzl
<thomas.schatzl at oracle.com> wrote:
>
> Hi,
>
> On Mon, 2018-11-05 at 18:30 -0800, Man Cao wrote:
> > Hi,
> >
> > Thanks for the review!
> > I moved those 3 functions and created a new WorkerPolicy class as
> > suggested.
> > New webrev: https://cr.openjdk.java.net/~manc/8213224/webrev.01/
> >
> > There's a Sparc-specific heuristic for
> > VM_Version::calc_parallel_worker_threads().
> > I added a function
> > Abstract_VM_Version::parallel_worker_threads_denominator() in order
> > to keep this behavior and minimize relevant code in VM_Version class.
> > I also changed "unsigned int" to "uint", for the functions from
> > VM_Version.
> >
> > Now the change in workerManager.hpp is only trivial code movement and
> > improving #include statements.
>
>   looks good to me.
>
> Small nits about WorkerPolicy in the .hpp file (all optional, no need
> for re-review from me):
>
> - please add a newline after the static const GCWorkersPer...
>
> - I would prefer to align the visibility modifiers with the "class"
> keyword (ie. remove the single whitespace) with new classes.
>
> - the first "private" may be omitted
>
> Thanks,
>   Thomas
>
>