hg: jdk9/hs-gc/hotspot: 8062063: Usage of UseHugeTLBFS, UseLargePagesInMetaspace and huge SurvivorAlignmentInBytes cause crashes in CMBitMapClosure::do_bit

[stefan.johansson at oracle.com]

Changeset: 00e69efa02c6
Author:    sjohanss
Date:      2015-01-12 15:24 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/00e69efa02c6

8062063: Usage of UseHugeTLBFS, UseLargePagesInMetaspace and huge SurvivorAlignmentInBytes cause crashes in CMBitMapClosure::do_bit
Summary: Making sure committed memory is cleared when re-committed, even if using large pages.
Reviewed-by: kbarrett, tschatzl

! src/share/vm/gc_implementation/g1/g1PageBasedVirtualSpace.cpp
! src/share/vm/gc_implementation/g1/g1PageBasedVirtualSpace.hpp
! src/share/vm/gc_implementation/g1/g1RegionToSpaceMapper.cpp