8005032: G1: Cleanup serial reference processing closures in concurrent marking
Summary: Reuse the parallel reference processing oop closures during serial reference processing.
Reviewed-by: brutisso
jwilhelm [Mon, 28 Jan 2013 15:41:45 +0100] rev 15494
6348447: Specifying -XX:OldSize crashes 64-bit VMs
Summary: Heap size will be set to allow for OldSize to fit. Also reviewed by vitalyd@gmail.com
Reviewed-by: ehelin, jmasa
8001384: G1: assert(!is_null(v)) failed: narrow oop value can never be zero
Summary: Flush any deferred card mark before a Java thread exits.
Reviewed-by: brutisso, jmasa