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7197906: BlockOffsetArray::power_to_cards_back() needs to handle > 32 bit shifts

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Reviewed-by: brutisso, johnc, ysr
This commit is contained in:
Hal Mo 2012-09-13 21:20:26 +02:00 • committed by Bengt Rutisson
parent c188598ddd
commit 18582cee62
3 changed files with 3 additions and 3 deletions
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2
hotspot/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp
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@ -273,7 +273,7 @@ OtherRegionsTable::OtherRegionsTable(HeapRegion* hr) :
if (_max_fine_entries == 0) {
assert(_mod_max_fine_entries_mask == 0, "Both or none.");
size_t max_entries_log = (size_t)log2_long((jlong)G1RSetRegionEntries);
_max_fine_entries = (size_t)(1 << max_entries_log);
_max_fine_entries = (size_t)1 << max_entries_log;
_mod_max_fine_entries_mask = _max_fine_entries - 1;
assert(_fine_eviction_sample_size == 0