hg: jdk/jdk: 2 new changesets

[thomas.schatzl at oracle.com]

Changeset: 7ed777a14094
Author:    tschatzl
Date:      2018-09-04 12:17 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/7ed777a14094

8210265: Crash in HSpaceCounters::update_used()
Summary: Guard call to update HSpaceCounters with flag
Reviewed-by: shade, sjohanss, kbarrett

! src/hotspot/share/gc/g1/g1MonitoringSupport.cpp
+ test/hotspot/jtreg/gc/TestNoPerfCounter.java

Changeset: c265860d5d45
Author:    tschatzl
Date:      2018-09-04 12:18 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/c265860d5d45

8207200: Committed > max memory usage when getting MemoryUsage
Summary: Make sure that modification of memory usage variables are synchronized with returning them to Java.
Reviewed-by: sangheki, mchung

! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/g1/g1CollectedHeap.hpp
! src/hotspot/share/gc/g1/g1MemoryPool.cpp
! src/hotspot/share/gc/g1/g1MonitoringSupport.cpp
! src/hotspot/share/gc/g1/g1MonitoringSupport.hpp
! src/hotspot/share/gc/shared/collectedHeap.cpp
! src/hotspot/share/gc/shared/collectedHeap.hpp
! src/hotspot/share/runtime/mutexLocker.cpp
! src/hotspot/share/runtime/mutexLocker.hpp
! src/hotspot/share/services/management.cpp