git: openjdk/jdk: 8292697: ZGC: Hangs when almost out of metaspace memory

[Stefan Karlsson]

Changeset: 3844685b
Author:    Stefan Karlsson <stefank at openjdk.org>
Date:      2022-08-26 13:44:28 +0000
URL:       https://git.openjdk.org/jdk/commit/3844685be03b121e75095b45a76c0b99f2a41912

8292697: ZGC: Hangs when almost out of metaspace memory

Reviewed-by: eosterlund, coleenp

! src/hotspot/share/classfile/classLoaderDataGraph.cpp
! src/hotspot/share/memory/metaspace.cpp
! src/hotspot/share/memory/metaspace.hpp
! src/hotspot/share/memory/metaspaceCriticalAllocation.cpp
! src/hotspot/share/memory/metaspaceCriticalAllocation.hpp
! test/hotspot/jtreg/vmTestbase/metaspace/shrink_grow/ShrinkGrowMultiJVM/ShrinkGrowMultiJVM.java
! test/hotspot/jtreg/vmTestbase/metaspace/shrink_grow/ShrinkGrowTest/ShrinkGrowTest.java