RFR: 8281946: VM.native_memory should report size of shareable memory

Fri Dec 2 18:57:22 UTC 2022

The native memory reporting has been improved to also include the amount of shareable (read only) data. Verified with test tiers 1,2, and 4.

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Commit messages:
 - Fixed assert for windows platform
 - Moved filemap include below precompiled
 - Removed unused lines
 - Merge branch 'master' into nativeMemory_8281946
 - Merge branch 'master' into nativeMemory_8281946
 - code cleanup
 - Merge branch 'master' into nativeMemory_8281946
 - Adjusted text for new output
 - 8281946: VM.native_memory should report size of shareable memory

Changes: https://git.openjdk.org/jdk/pull/11401/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11401&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8281946
  Stats: 49 lines in 3 files changed: 41 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/11401.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11401/head:pull/11401

PR: https://git.openjdk.org/jdk/pull/11401