[jdk21u-dev] RFR: 8327059: os::Linux::print_proc_sys_info add swappiness information

[Matthias Baesken]

8327059: os::Linux::print_proc_sys_info add swappiness information

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Commit messages:
 - Backport f3b15abcb7dcd00158df84818965fc1282dcc1d9

Changes: https://git.openjdk.org/jdk21u-dev/pull/329/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=329&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327059
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/329.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/329/head:pull/329

PR: https://git.openjdk.org/jdk21u-dev/pull/329