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6984368: Large default heap size does not allow to use zero based compressed oops

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Take into account HeapBaseMinAddress and round down MaxPermSize

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2010-09-14 17:19:35 -07:00
parent e65f42fe5e
commit 7df5e956d1
2 changed files with 7 additions and 2 deletions
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6
hotspot/src/share/vm/memory/collectorPolicy.cpp
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@ -32,7 +32,11 @@ void CollectorPolicy::initialize_flags() {
MaxPermSize = PermSize;
}
PermSize = MAX2(min_alignment(), align_size_down_(PermSize, min_alignment()));
MaxPermSize = align_size_up(MaxPermSize, max_alignment());
// Don't increase Perm size limit above specified.
MaxPermSize = align_size_down(MaxPermSize, max_alignment());
if (PermSize > MaxPermSize) {
PermSize = MaxPermSize;
}
MinPermHeapExpansion = MAX2(min_alignment(), align_size_down_(MinPermHeapExpansion, min_alignment()));
MaxPermHeapExpansion = MAX2(min_alignment(), align_size_down_(MaxPermHeapExpansion, min_alignment()));