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8269393: store/load order not preserved when handling memory pool due to weakly ordered memory architecture of aarch64

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Reviewed-by: thartmann, aph
This commit is contained in:
Damon Fenacci 2023-10-06 09:14:03 +00:00
parent f0d66d1fd3
commit 7162624d70
1 changed files with 7 additions and 2 deletions
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9
src/hotspot/share/services/memoryPool.cpp
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@ -178,8 +178,13 @@ CodeHeapPool::CodeHeapPool(CodeHeap* codeHeap, const char* name, bool support_us
} }
MemoryUsage CodeHeapPool::get_memory_usage() { MemoryUsage CodeHeapPool::get_memory_usage() {
size_t used = used_in_bytes(); size_t used;
size_t committed = _codeHeap->capacity(); size_t committed;
{
MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
used = used_in_bytes();
committed = _codeHeap->capacity();
}
size_t maxSize = (available_for_allocation() ? max_size() : 0); size_t maxSize = (available_for_allocation() ? max_size() : 0);
return MemoryUsage(initial_size(), used, committed, maxSize); return MemoryUsage(initial_size(), used, committed, maxSize);