ysr [Fri, 17 Dec 2010 23:41:31 -0800] rev 7658
6807801: CMS: could save/restore fewer header words during scavenge
Summary: Age bits need not enter the mark-word preservation calculus; also affected, in addition to CMS, per CR synopsis above, were ParNew (but not DefNew), ParallelScavenge and G1, albeit to a lesser degree than CMS.
Reviewed-by: tonyp, johnc
johnc [Fri, 17 Dec 2010 11:26:53 -0800] rev 7657
7006113: G1: Initialize ReferenceProcessor::_is_alive_non_header field
Summary: Initialize the _is_alive_non_header field of G1's reference processor with an instance of the G1CMIsAliveClosure. This will stop adding reference objects with live referents to the discovered reference lists unnecessarily.
Reviewed-by: tonyp, ysr, jwilhelm, brutisso
trims [Wed, 22 Dec 2010 19:20:47 -0800] rev 7656
Added tag hs20-b04 for changeset 5d1dc8153960
cl [Wed, 22 Dec 2010 15:57:14 -0800] rev 7655
Added tag jdk7-b123 for changeset 5d1dc8153960