hg: jdk9/hs/hotspot: 8057003: Large reference arrays cause extremely long synchronization times

[thomas.schatzl at oracle.com]

Changeset: a67614dce6cd
Author:    tschatzl
Date:      2016-11-24 11:27 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/a67614dce6cd

8057003: Large reference arrays cause extremely long synchronization times
Summary: Slice large object arrays into parts so that the synchronization of marking threads with an STW pause request does not take long.
Reviewed-by: ehelin, pliden

! src/share/vm/gc/g1/g1ConcurrentMark.cpp
! src/share/vm/gc/g1/g1ConcurrentMark.hpp
! src/share/vm/gc/g1/g1ConcurrentMark.inline.hpp
+ src/share/vm/gc/g1/g1ConcurrentMarkObjArrayProcessor.cpp
+ src/share/vm/gc/g1/g1ConcurrentMarkObjArrayProcessor.hpp
+ src/share/vm/gc/g1/g1ConcurrentMarkObjArrayProcessor.inline.hpp
! src/share/vm/runtime/globals.hpp