RFR (S): 8048112: G1 Full GC needs to support the case when the very first region is not available

[Kim Barrett]

On Jul 14, 2014, at 4:14 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
>> And now we have a similar issue in HeapRegionSetBase, with length() looking
>> lonely in its const-ness.
>> 
>> Unfortunately, late const-ness fixups do tend to propagate.  I think it would
>> stop at HeapRegionSetBase in this case though.  Your call as to whether
>> to continue the cleanup chain unrelated to the real purpose of this
>> change set, or do cleanups in another changeset.
> 
> If you do not mind I would like to stop fixing const'ness at this point;
> imo there is so much that I would like to change about the current heap
> region sets that I want to revisit them rather sooner than later anyway.
> 
> E.g. you could continue arguing that some FreeRegionList methods should
> be constified as well etc.
> 
> I updated JDK-6949241 with current ideas about that, sort-of-hijacking
> that CR…

I’m OK with that.  Other than that, looks good.