hg: jdk9/hs-gc/hotspot: 8061234: ResourceContext.requestAccurateUpdate() is unreliable

[stefan.johansson at oracle.com]

Changeset: c85321489672
Author:    sjohanss
Date:      2014-10-30 10:51 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/c85321489672

8061234: ResourceContext.requestAccurateUpdate() is unreliable
Summary: Changing copy_allocation_context_stats to return if there are more stats available after the copy.
Reviewed-by: rriggs, jcoomes

! src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp
! src/share/vm/gc_interface/collectedHeap.hpp