8040722: G1: Clean up usages of heap_region_containing Reviewed-by: tschatzl, jmasa

8040002: Clean up code and code duplication in re-diryting cards for verification Summary: Card re-dirtying code for verification and actual redirtying uses two different, almost completely identical card closures. Also the verification code still assumes a perm gen. Reviewed-by: brutisso, jmasa

8019342: G1: High "Other" time most likely due to card redirtying Summary: Parallelize card redirtying to decrease the time it takes. Reviewed-by: brutisso

8028710: G1 does not retire allocation buffers after reference processing work Summary: G1 does not retire allocation buffers after reference processing work when -XX:+ParallelRefProcEnabled is enabled. This causes wrong calculation of PLAB sizes, as the amount of space wasted is not updated correctly. Reviewed-by: brutisso

8039596: Remove HeapRegionRemSet::clear_incoming_entry Summary: The mentioned method is never used and out of date. So it is removed. Reviewed-by: mgerdin, brutisso

8037344: Use the "next" field to iterate over fine remembered instead of using the hash table Summary: After changes to the PerRegionTable where all these PRTs are linked together in an additional field, simplify iterating over all PRTs by using these links instead of walki Reviewed-by: mgerdin, jwilhelm, brutisso

8027553: Change the in_cset_fast_test functionality to use the G1BiasedArray abstraction Summary: Instead of using a manually managed array for the in_cset_fast_test array, use a G1BiasedArray instance. Reviewed-by: brutisso, mgerdin