git: openjdk/jdk21u-dev: master: 8319048: Monitor deflation unlink phase prolongs time to safepoint

[Aleksey Shipilev]

Changeset: cc918abe
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2024-03-21 09:49:41 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/cc918abe2f6e6a95c956d4f2a37e77d2f53eab36

8319048: Monitor deflation unlink phase prolongs time to safepoint

Backport-of: efc392259c64986bbbe880259e95b09058b9076a

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