hg: jdk7/hotspot-gc/hotspot: 2 new changesets

y.s.ramakrishna at oracle.com y.s.ramakrishna at oracle.com
Fri Mar 25 22:15:03 UTC 2011

Changeset: a0de1dfd1933
Author:    ysr
Date:      2011-03-24 15:45 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/a0de1dfd1933

7030435: Some oop_oop_iterate_m() methods iterate outside of specified memory bounds
Summary: Filter ref-containing locations through the memory-interval specified in the call.
Reviewed-by: jcoomes, jwilhelm, tonyp

! src/share/vm/oops/constantPoolKlass.cpp

Changeset: 5134fa1cfe63
Author:    ysr
Date:      2011-03-24 15:47 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/5134fa1cfe63

7029036: Card-table verification hangs with all framework collectors, except G1, even before the first GC
Summary: When verifying clean card ranges, use memory-range-bounded iteration over oops of objects overlapping that range, thus avoiding the otherwise quadratic worst-case cost of scanning large object arrays.
Reviewed-by: jmasa, jwilhelm, tonyp

! src/share/vm/memory/cardTableRS.cpp

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