Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/memory/CompactibleFreeListSpace.java @ 1571:2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
Summary: Added new product ObjectAlignmentInBytes flag to control object alignment.
Reviewed-by: twisti, ysr, iveresov
author | kvn |
---|---|
date | Thu, 27 May 2010 18:01:56 -0700 |
parents | 89e0543e1737 |
children | e9ff18c4ace7 |
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--- a/agent/src/share/classes/sun/jvm/hotspot/memory/CompactibleFreeListSpace.java Thu May 27 09:54:07 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/memory/CompactibleFreeListSpace.java Thu May 27 18:01:56 2010 -0700 @@ -73,18 +73,11 @@ public CompactibleFreeListSpace(Address addr) { super(addr); - if ( VM.getVM().isLP64() ) { - heapWordSize = 8; - IndexSetStart = 1; - IndexSetStride = 1; - } - else { - heapWordSize = 4; - IndexSetStart = 2; - IndexSetStride = 2; - } - - IndexSetSize = 257; + VM vm = VM.getVM(); + heapWordSize = vm.getHeapWordSize(); + IndexSetStart = vm.getMinObjAlignmentInBytes() / heapWordSize; + IndexSetStride = IndexSetStart; + IndexSetSize = 257; } // Accessing block offset table