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8214272: Don't use memset to initialize arrays of MemoryUsage in memoryManager.cpp

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Reviewed-by: rkennke, shade
This commit is contained in:
Dmitry Chuyko 2018-11-28 13:24:56 +03:00
parent 7e0040c384
commit bc98309953
2 changed files with 3 additions and 6 deletions
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5
src/hotspot/share/services/memoryManager.cpp
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@ -168,9 +168,8 @@ void GCStatInfo::clear() {
_index = 0;
_start_time = 0L;
_end_time = 0L;
size_t len = _usage_array_size * sizeof(MemoryUsage);
memset(_before_gc_usage_array, 0, len);
memset(_after_gc_usage_array, 0, len);
for (int i = 0; i < _usage_array_size; i++) ::new (&_before_gc_usage_array[i]) MemoryUsage();
for (int i = 0; i < _usage_array_size; i++) ::new (&_after_gc_usage_array[i]) MemoryUsage();
}