hg: hsx/hotspot-gc/hotspot: 7192128: G1: Extend fix for 6948537 to G1's BOT

[john.cuthbertson at oracle.com]

Changeset: f99a36499b8c
Author:    johnc
Date:      2012-08-21 10:05 -0700
URL:       http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/f99a36499b8c

7192128: G1: Extend fix for 6948537 to G1's BOT
Summary: G1 does not appear to be immune to the issue described in CR 6948537 and increasing the size of old-generation PLABs appears to increase the liklihood of seeing the issue. Extend the fix for 6948537 to G1's BlockOffsetTable.
Reviewed-by: brutisso, jmasa

! src/cpu/sparc/vm/vm_version_sparc.cpp
! src/share/vm/gc_implementation/g1/g1BlockOffsetTable.hpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp