RFR: 8297186: G1 triggers unnecessary full GCs when heap utilization is low [v5]

[Thomas Schatzl]

> Hi all,
> 
>   can I have reviews for this change that better enforces that after gc there is at least one eden region to allocate into?
> 
> That avoids the problem described in the PR.
> 
> Thanks,
>   Thomas

Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:

  kbarrett review 2

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/11209/files
  - new: https://git.openjdk.org/jdk/pull/11209/files/ed7e27ea..38f1c4f1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11209&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11209&range=03-04

  Stats: 28 lines in 2 files changed: 5 ins; 2 del; 21 mod
  Patch: https://git.openjdk.org/jdk/pull/11209.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11209/head:pull/11209

PR: https://git.openjdk.org/jdk/pull/11209