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6484959: G1: introduce survivor spaces

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6797754: G1: combined bugfix

Implemented a policy to control G1 survivor space parameters.

Reviewed-by: tonyp, iveresov
This commit is contained in:
Andrey Petrusenko 2009-02-06 01:38:50 +03:00
parent 275a0bfb42
commit 61181babf1
13 changed files with 314 additions and 132 deletions
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6
hotspot/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp
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@ -65,9 +65,11 @@ protected:
// We need access in order to union things into the base table.
BitMap* bm() { return &_bm; }
#if PRT_COUNT_OCCUPIED
void recount_occupied() {
_occupied = (jint) bm()->count_one_bits();
}
#endif
PerRegionTable(HeapRegion* hr) :
_hr(hr),
@ -1144,7 +1146,9 @@ void HeapRegionRemSet::clear_outgoing_entries() {
size_t i = _outgoing_region_map.get_next_one_offset(0);
while (i < _outgoing_region_map.size()) {
HeapRegion* to_region = g1h->region_at(i);
to_region->rem_set()->clear_incoming_entry(hr());
if (!to_region->in_collection_set()) {
to_region->rem_set()->clear_incoming_entry(hr());
}
i = _outgoing_region_map.get_next_one_offset(i+1);
}
}