hg: hsx/hotspot-gc/hotspot: 7146246: G1: expose some of the -XX flags that drive which old regions to collect during mixed GCs

[tony.printezis at oracle.com]

Changeset: 21595f05bc93
Author:    tonyp
Date:      2012-03-23 10:53 -0400
URL:       http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/21595f05bc93

7146246: G1: expose some of the -XX flags that drive which old regions to collect during mixed GCs
Summary: Make two G1 cmd line flags available in product builds: G1HeapWastePercent (previously called: G1OldReclaimableThresholdPercent) and G1MixedGCCountTarget (previous called: G1MaxMixedGCNum). Also changed the default of the former from 1% to 5% and the default for G1OldCSetRegionLiveThresholdPercent to 90%.
Reviewed-by: azeemj, jwilhelm, johnc

! src/share/vm/gc_implementation/g1/collectionSetChooser.cpp
! src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
! src/share/vm/gc_implementation/g1/g1_globals.hpp