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comparison src/share/vm/gc_implementation/g1/concurrentMark.cpp @ 17635:cb7ec2423207

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8027454: Do not traverse string table during G1 remark when treating them as strong roots during initial mark Summary: Do not try to unlink string table entries unconditionally during remark. This is without side effects as the preceding initial mark always uses the string table as strong roots. Needs to be fixed with class unloading during concurrent mark. Reviewed-by: brutisso, mgerdin
author tschatzl
date Mon, 20 Jan 2014 11:47:29 +0100
parents 5a32d2a3cc1e
children 63a4eb8bcd23 58fc1b1523dc
comparison
equal deleted inserted replaced
17634:5a32d2a3cc1e 17635:cb7ec2423207
2526 2526
2527 rp->verify_no_references_recorded(); 2527 rp->verify_no_references_recorded();
2528 assert(!rp->discovery_enabled(), "Post condition"); 2528 assert(!rp->discovery_enabled(), "Post condition");
2529 } 2529 }
2530 2530
2531 g1h->unlink_string_and_symbol_table(&g1_is_alive); 2531 g1h->unlink_string_and_symbol_table(&g1_is_alive,
2532 /* process_strings */ false, // currently strings are always roots
2533 /* process_symbols */ true);
2532 } 2534 }
2533 2535
2534 void ConcurrentMark::swapMarkBitMaps() { 2536 void ConcurrentMark::swapMarkBitMaps() {
2535 CMBitMapRO* temp = _prevMarkBitMap; 2537 CMBitMapRO* temp = _prevMarkBitMap;
2536 _prevMarkBitMap = (CMBitMapRO*)_nextMarkBitMap; 2538 _prevMarkBitMap = (CMBitMapRO*)_nextMarkBitMap;