hg: jdk7/hotspot-gc/hotspot: 6992189: G1: inconsistent base used in sparse rem set iterator

[tony.printezis at oracle.com]

Changeset: 9f4848ebbabd
Author:    tonyp
Date:      2010-10-15 17:26 -0400
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/9f4848ebbabd

6992189: G1: inconsistent base used in sparse rem set iterator
Summary: The remembered set iterator for sparse tables incorrectly assumes that index 0 corresponds to the bottom of the heap, not address 0 as it is the case.
Reviewed-by: ysr, jmasa

! src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp
! src/share/vm/gc_implementation/g1/sparsePRT.cpp
! src/share/vm/gc_implementation/g1/sparsePRT.hpp