[jdk21u-dev] RFR: 8335710: serviceability/dcmd/vm/SystemDumpMapTest.java and SystemMapTest.java fail on Linux Alpine after 8322475 [v3]

[Andreas Steiner]

> Backport of c703d290425f85a06e61d72c9672ac2adac92db9
> 
> Reviewed-by: stuefe, lucy
> (cherry picked from commit c703d290425f85a06e61d72c9672ac2adac92db9)

Andreas Steiner 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 three additional commits since the last revision:

 - Merge master
 - 8335710: serviceability/dcmd/vm/SystemDumpMapTest.java and SystemMapTest.java fail on Linux Alpine after 8322475
   
   Reviewed-by: stuefe, lucy
   (cherry picked from commit c703d290425f85a06e61d72c9672ac2adac92db9)
 - Backport 8aaec37ace102b55ee1387cfd1967ec3ab662083

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

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/1620/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/1620/files/34880e23..0e00c67c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1620&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1620&range=01-02

  Stats: 10037 lines in 123 files changed: 9910 ins; 29 del; 98 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1620.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1620/head:pull/1620

PR: https://git.openjdk.org/jdk21u-dev/pull/1620