Mercurial > hg > graal-jvmci-8
comparison src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp @ 10334:7c5a1b62f53d
8014971: Minor code cleanup of the freelist management
Reviewed-by: jwilhelm, jmasa, tschatzl
author | brutisso |
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date | Wed, 22 May 2013 08:04:58 +0200 |
parents | 28e53b8db94f |
children | 71180a6e5080 |
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10333:6702da6b6082 | 10334:7c5a1b62f53d |
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151 if (CollectedHeap::use_parallel_gc_threads()) { | 151 if (CollectedHeap::use_parallel_gc_threads()) { |
152 for (size_t i = IndexSetStart; i < IndexSetSize; i += IndexSetStride) { | 152 for (size_t i = IndexSetStart; i < IndexSetSize; i += IndexSetStride) { |
153 _indexedFreeListParLocks[i] = new Mutex(Mutex::leaf - 1, // == ExpandHeap_lock - 1 | 153 _indexedFreeListParLocks[i] = new Mutex(Mutex::leaf - 1, // == ExpandHeap_lock - 1 |
154 "a freelist par lock", | 154 "a freelist par lock", |
155 true); | 155 true); |
156 if (_indexedFreeListParLocks[i] == NULL) | |
157 vm_exit_during_initialization("Could not allocate a par lock"); | |
158 DEBUG_ONLY( | 156 DEBUG_ONLY( |
159 _indexedFreeList[i].set_protecting_lock(_indexedFreeListParLocks[i]); | 157 _indexedFreeList[i].set_protecting_lock(_indexedFreeListParLocks[i]); |
160 ) | 158 ) |
161 } | 159 } |
162 _dictionary->set_par_lock(&_parDictionaryAllocLock); | 160 _dictionary->set_par_lock(&_parDictionaryAllocLock); |
1761 ec = (FreeChunk*)chunk; | 1759 ec = (FreeChunk*)chunk; |
1762 } | 1760 } |
1763 } | 1761 } |
1764 ec->set_size(size); | 1762 ec->set_size(size); |
1765 debug_only(ec->mangleFreed(size)); | 1763 debug_only(ec->mangleFreed(size)); |
1766 if (size < SmallForDictionary) { | 1764 if (size < SmallForDictionary && ParallelGCThreads != 0) { |
1767 lock = _indexedFreeListParLocks[size]; | 1765 lock = _indexedFreeListParLocks[size]; |
1768 } | 1766 } |
1769 MutexLockerEx x(lock, Mutex::_no_safepoint_check_flag); | 1767 MutexLockerEx x(lock, Mutex::_no_safepoint_check_flag); |
1770 addChunkAndRepairOffsetTable((HeapWord*)ec, size, true); | 1768 addChunkAndRepairOffsetTable((HeapWord*)ec, size, true); |
1771 // record the birth under the lock since the recording involves | 1769 // record the birth under the lock since the recording involves |