git: openjdk/jdk20u: master: 8306825: Monitor deflation might be accidentally disabled by zero intervals

[Aleksey Shipilev]

Changeset: 12d24f2f
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-05-03 19:13:55 +0000
URL:       https://git.openjdk.org/jdk20u/commit/12d24f2f3de3c1a54ac98f0c35054975a4d13647

8306825: Monitor deflation might be accidentally disabled by zero intervals

Backport-of: a6b4f25bd50e6861281d162f143c5bc9c16bac51

! src/hotspot/share/runtime/globals.hpp
! src/hotspot/share/runtime/monitorDeflationThread.cpp
+ test/hotspot/jtreg/runtime/Monitor/DeflationIntervalsTest.java
- test/hotspot/jtreg/runtime/Monitor/GuaranteedAsyncDeflationIntervalTest.java