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708 Commits

Author SHA1 Message Date
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Antonios Printezis
e2b3310cb6 6722565: G1: assert !r->is_on_unclean_list() fires 
Under certain circumstances, two cleanup threads can claim and process the same region.

Reviewed-by: apetrusenko, ysr
 2008-08-06 11:57:31 -04:00
Igor Veresov
09fd47bcef 6652160: G1: assert(cur_used_bytes == _g1->recalculate_used(),"It should!") at g1CollectorPolicy.cpp:1425 
In attempt_allocation_slow() wait for the concurrent cleanup to complete before modifying _summary_bytes_used.

Reviewed-by: jmasa, apetrusenko
 2008-07-30 10:45:52 -07:00
Igor Veresov
2703662478 6723570: G1: assertion failure: p == current_top or oop(p)->is_oop(),"p is not a block start" (revisited!) 
Fixed the incorrect assigment to G1OffsetTableContigSpace::_gc_time_stamp. Also added a little more paranoia to operations on a global timestamp.

Reviewed-by: tonyp
 2008-07-10 09:29:54 -07:00
Igor Veresov
07198ddeda 6702387: G1: assertion failure: assert(p == current_top || oop(p)->is_oop(),"p is not a block start") 
Do not coalesce dead and moved objects when removing self-forwarding pointers during the evacuation failure. Also fixed a issue in a BOT refinement code for TLABs.

Reviewed-by: tonyp, jcoomes
 2008-07-03 03:17:29 -07:00
Y. Srinivas Ramakrishna
d44be8e3a0 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag 
Experimental() flags will protect features of an experimental nature that are not supported in the regular product build. Made UseG1GC an experimental flag.

Reviewed-by: jmasa, kamg, coleenp
 2008-06-30 17:04:59 -07:00
Igor Veresov
a82afd549a 6710665: G1: guarantee(_cm->out_of_regions() && _cm->region_stack_empty() && _task_queue->size() == 0, ...) 
Remove the incorrect assumptions from guarantee()s.

Reviewed-by: ysr, tonyp
 2008-06-11 05:12:19 -07:00
Y. Srinivas Ramakrishna
18f3386a98 6711316: Open source the Garbage-First garbage collector 
First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
 2008-06-05 15:57:56 -07:00