RFR: 8357471: GenShen: Share collector reserves between young and old [v25]

[Kelvin Nilsen]

On Thu, 8 Jan 2026 00:42:47 GMT, William Kemper <wkemper at openjdk.org> wrote:

>> Kelvin Nilsen has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix confusing comment
>
> src/hotspot/share/gc/shenandoah/heuristics/shenandoahOldHeuristics.cpp line 342:
> 
>> 340: }
>> 341: 
>> 342: bool ShenandoahOldHeuristics::top_off_collection_set(ssize_t &add_regions_to_old) {
> 
> Does `add_regions_to_old` really need to be signed? Seems like it will always be non-negative here.

Good point.  I'm changing to unsigned.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25357#discussion_r2673318439