git: openjdk/jdk20u: master: 8305994: Guarantee eventual async monitor deflation

[Aleksey Shipilev]

Changeset: 5d2c2556
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-05-03 14:09:59 +0000
URL:       https://git.openjdk.org/jdk20u/commit/5d2c25563aa153bca921f4c692f3f8c241768b60

8305994: Guarantee eventual async monitor deflation

Backport-of: 6b81342c2215041dbb7e9020a67cdc56976c97b1

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