RFR: Reclaimed humongous regions should count towards immediate garbage

[Zhengyu Gu]

Looks good.

-Zhengyu

On 08/22/2017 03:25 PM, Aleksey Shipilev wrote:
> On 08/22/2017 09:19 PM, Zhengyu Gu wrote:
>>   338     if (region->is_humongous_start()) {
>>   339       assert(region->has_live() == heap->is_marked_complete(oop(region->bottom() +
>> BrooksPointer::word_size())),
>>   340              "Humongous liveness and marks should agree");
>>   341       if (!region->has_live()) {
>>   342         heap->reclaim_humongous_region_at(region);
>>   343         immediate_regions++;
>>   344         immediate_garbage += region->garbage();
>>   345       }
>>   346     }
>>
>> #343: humongous can have more than one regions, should add all of them here?
> 
> D'uh! Of course. The minimal change for that seems to be this:
>    http://cr.openjdk.java.net/~shade/shenandoah/immediate-humongous/webrev.02/
> 
> -Aleksey
> 
>