RFR: 8332123: [nmt] Move mallocLimit code to the nmt subdir [v2]

[Sonia Zaldana Calles]

> Hi all, 
> 
> This PR addresses [8332123](https://bugs.openjdk.org/browse/JDK-8332123) moving malloc limit code under the nmt subdirectory. 
> 
> Thanks, 
> Sonia

Sonia Zaldana Calles has updated the pull request incrementally with two additional commits since the last revision:

 - Updating copyright headers
 - Reordering include statements to alphabetical order

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19462/files
  - new: https://git.openjdk.org/jdk/pull/19462/files/1f36a8b8..612cd0b5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19462&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19462&range=00-01

  Stats: 14 lines in 5 files changed: 5 ins; 5 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/19462.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19462/head:pull/19462

PR: https://git.openjdk.org/jdk/pull/19462