[jdk11u-dev] RFR: 8261302: NMT: Improve malloc site table hashing

[María Arias de Reyna]

This is the same fix that was applied in https://github.com/openjdk/jdk/commit/a3d6e371 for https://bugs.openjdk.org/browse/JDK-8261302

It simplifies the way of calculating the hash of a stack.

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Commit messages:
 - 8261302: NMT: Improve malloc site table hashing

Changes: https://git.openjdk.org/jdk11u-dev/pull/2608/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2608&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8261302
  Stats: 29 lines in 2 files changed: 9 ins; 16 del; 4 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2608.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2608/head:pull/2608

PR: https://git.openjdk.org/jdk11u-dev/pull/2608