JEP-271. VM changes contributed by brutisso, test changes contributed by david.
Co-authored-by: David Lindholm <david.lindholm@oralce.com>
Reviewed-by: sjohanss, david, brutisso
Add adaptive sizing for IHOP that maximizes throughput (starts marking as late as possible). This functionality is enabled using a new -XX:+G1AdaptiveIHOP switch (default: false).
Reviewed-by: mgerdin, jmasa, pliden
