RFR (S): 8202021: Improve variable naming in ReferenceProcessor

[Thomas Schatzl]

Hi Sangheon,

  thanks for your review. I updated the change in-place.

Thomas

On Thu, 2018-04-19 at 12:38 -0700, sangheon.kim wrote:
> Hi Thomas,
> 
> On 04/19/2018 12:01 PM, Thomas Schatzl wrote:
> > Hi all,
> > 
> >    can I have reviews for this cleanup change that improves
> > variable
> > naming in ReferenceProcessor code.
> > 
> > The main change is about renaming some member variables from
> > something
> > really confusing to me to something useful (to me again :)) in the
> > DiscoveredListIterator class.
> > 
> > The other change is related to changing ReferenceProcessor::num_q
> > to
> > num_queues, i.e. spelling out what the "q" is supposed to mean.
> > 
> > That imho improves readability quite a bit.
> > 
> > CR:
> > https://bugs.openjdk.java.net/browse/JDK-8202021
> > Webrev:
> > http://cr.openjdk.java.net/~tschatzl/8202021/webrev/
> > Testing:
> > local compilation, hs-tier1-4 with 8202017
> > 
> > based on JDK-8202018, but I do not think there is overlap.
> > 
> > Thanks,
> >    Thomas
> > 
> 
> Looks good.
> Just minor nits, so don't need extra webrev for these.
> 
> /src/hotspot/share/gc/shared/referenceProcessor.cpp
> 112   _discovery_is_mt     = mt_discovery;
> 113   _num_queues               = MAX2(1U, mt_processing_degree);
> 114   _max_num_queues           = MAX2(_num_queues,
> mt_discovery_degree);
> - Align with line 112?
> 
> 312     log_develop_trace(gc, ref)("        obj " INTPTR_FORMAT
> "/next_d 
> " INTPTR_FORMAT, p2i(obj), p2i(next_discovered));
> - next_d -> next_discovered
> 
> src/hotspot/share/gc/shared/referenceProcessor.hpp
> - Copyright year update
> 
> src/hotspot/share/gc/shared/referenceProcessor.inline.hpp
> - Copyright year update
> 
> Thanks,
> Sangheon
> 
> 
> 
>