Hi all, this patch parallelizes the restoring of the preserved marks after an evacuation failure. Enhancement: https://bugs.openjdk.java.net/browse/JDK-8142404 Webrev: http://cr.openjdk.java.net/~ehelin/8142404/webrev.00/ Testing: - JPRT - gc-test-suite with VerifyBeforeGC, DuringGC, AfterGC Thanks, Erik