[jdk17u-dev] RFR: 8276086: Increase size of metaspace mappings [v2]

[Thomas Stuefe]

> Downport as a prereq for [JDK-8294677](https://bugs.openjdk.org/browse/JDK-8294677) "chunklevel::MAX_CHUNK_WORD_SIZE too small for some applications".

Thomas Stuefe has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'openjdk:master' into tstuefe-backport-e89b2c04
 - Backport e89b2c040c68aebf6a099602bc0e04f963e89c84

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/1113/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/1113/files/0cb29a15..f61378db

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1113&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1113&range=00-01

  Stats: 645 lines in 20 files changed: 419 ins; 151 del; 75 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1113.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/1113/head:pull/1113

PR: https://git.openjdk.org/jdk17u-dev/pull/1113