[jdk15u-dev] RFR: 8253639: Change os::attempt_reserve_memory_at parameter order

[GlebSolovev]

Clean backport of https://bugs.openjdk.java.net/browse/JDK-8253639: simple changing parameter order to improve code consistency.

Testing: tier1 on Linux x86 didn't regress.

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

Commit messages:
 - 8253639: Change os::attempt_reserve_memory_at parameter order

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/156/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=156&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253639
  Stats: 27 lines in 10 files changed: 0 ins; 0 del; 27 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/156.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/156/head:pull/156

PR: https://git.openjdk.java.net/jdk15u-dev/pull/156