RFR: Refactor allocation seqnum handling: split mutator/GC allocs, merge with other metadata handling

[Roman Kennke]

Does it also do the correct thing for humongous object allocs? And if yes, how?

Roman

On Tue, Feb 20, 2018 at 7:30 PM, Zhengyu Gu <zgu at redhat.com> wrote:
> Good to me.
>
> -Zhengyu
>
>
> On 02/20/2018 01:06 PM, Roman Kennke wrote:
>>
>> Looks good to me.
>>
>> On Tue, Feb 20, 2018 at 6:59 PM, Aleksey Shipilev <shade at redhat.com>
>> wrote:
>>>
>>> http://cr.openjdk.java.net/~shade/shenandoah/alloc-seqnums/webrev.01/
>>>
>>> This refactors allocation seqnum machinery, so that we have more data to
>>> feed the heuristics with.
>>> Notably, this should help Roman's work on Traversal GC that wants to
>>> ignore some of the newly
>>> allocated regions.
>>>
>>> Testing: hotspot_gc_shenandoah {fastdebug|release}
>>>
>>> Thanks,
>>> -Aleksey
>>>
>