8371791: G1: Improve accuracy of G1CollectedHeap::non_young_occupancy_after_allocation()

[tschatzl]

Hi all,

please review this change that improves the accuracy of G1CollectedHeap::non_young_occupancy_after_allocation() by considering the free space in the old gen retained region.

Testing: tier1-3, gha

Thanks,
Thomas

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Issue

• JDK-8371791: G1: Improve accuracy of G1CollectedHeap::non_young_occupancy_after_allocation() (Enhancement - P4)

Reviewers

• Albert Mingkun Yang (@albertnetymk - Reviewer)
• Ivan Walulya (@walulyai - Reviewer)

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8371791: G1: Improve accuracy of G1CollectedHeap::non_young_occupancy_after_allocation()

Reviewed-by: ayang, iwalulya

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At the time when this comment was updated there had been 2 new commits pushed to the master branch:

• bfc048a: 8371608: Jtreg test jdk/internal/vm/Continuation/Fuzz.java sometimes fails with (fast)debug binaries
• 8102f43: 8371480: VerifyError after JDK-8369654

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