hg: jdk7/hotspot-gc/hotspot: 6850869: G1: RSet "scrubbing" scrubs too much

[antonios.printezis at sun.com]

Changeset: 30b9b25b9cc1
Author:    tonyp
Date:      2009-06-24 11:42 -0400
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/30b9b25b9cc1

6850869: G1: RSet "scrubbing" scrubs too much
Summary: RSet scrubbing incorrectly deletes RSet entries that point to regions tagged as "continues humongous" due to a race when RSet scrubbing iterates over regions in parallel.
Reviewed-by: apetrusenko, iveresov

! src/share/vm/gc_implementation/g1/concurrentMark.cpp