RFR: 8314599: [GenShen] Couple adaptive tenuring and generation size budgeting [v3]

[William Kemper]

On Mon, 6 Oct 2025 22:35:22 GMT, Kelvin Nilsen <kdnilsen at openjdk.org> wrote:

>> William Kemper has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix windows build more
>
> src/hotspot/share/gc/shenandoah/shenandoahCollectionSet.inline.hpp line 62:
> 
>> 60: 
>> 61: size_t ShenandoahCollectionSet::get_live_bytes_in_young_regions() const {
>> 62:   return _young_bytes_to_evacuate - _young_bytes_to_promote;
> 
> I'm wondering if these new names properly reflect the intention.  It seems get_live_byte_in_young_regions() really means get_live_bytes_that_we_intend_to_evacuate_to_young().  (This number does not include _live_bytes_in_young_regions() that we expect to evacuate to old.)

I called the complementary method `get_live_bytes_in_tenurable_regions`. How about `get_live_bytes_in_untenurable_regions`?

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PR Review Comment: https://git.openjdk.org/jdk/pull/27632#discussion_r2411948730