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8153117: Back out JDK-8142935 until JDK-8152723 fixed

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JDK-8142935 fix can lead to avoidable Full GCs

Reviewed-by: jwilhelm, tschatzl
This commit is contained in:
Tom Benson 2016-04-05 11:17:50 -04:00 • committed by Thomas Benson
parent d077700179
commit 4f0ffb6ce9
4 changed files with 6 additions and 50 deletions
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10
hotspot/src/share/vm/gc/g1/g1CollectionSet.hpp
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@ -57,9 +57,6 @@ class G1CollectionSet VALUE_OBJ_CLASS_SPEC {
// (if any) to the collection set.
size_t _bytes_used_before;
// The sum of live bytes in the collection set, set as described above.
size_t _bytes_live_before;
size_t _recorded_rs_lengths;
// The associated information that is maintained while the incremental
@ -84,9 +81,6 @@ class G1CollectionSet VALUE_OBJ_CLASS_SPEC {
// an evacuation pause.
size_t _inc_bytes_used_before;
// The number of live bytes in the incrementally built collection set.
size_t _inc_bytes_live_before;
// The RSet lengths recorded for regions in the CSet. It is updated
// by the thread that adds a new region to the CSet. We assume that
// only one thread can be allocating a new CSet region (currently,
@ -179,10 +173,6 @@ public:
_bytes_used_before = 0;
}
void reset_bytes_live_before() {
_bytes_live_before = 0;
}
// Choose a new collection set. Marks the chosen regions as being
// "in_collection_set", and links them together. The head and number of
// the collection set are available via access methods.