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Zhengyu Gu 2013-03-15 17:12:17 -07:00
commit dcd1fc358f
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hotspot/src/share/vm/memory/metaspace.cpp
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@ -334,6 +334,9 @@ class VirtualSpaceNode : public CHeapObj<mtClass> {
// byte_size is the size of the associated virtualspace. // byte_size is the size of the associated virtualspace.
VirtualSpaceNode::VirtualSpaceNode(size_t byte_size) : _top(NULL), _next(NULL), _rs(0) { VirtualSpaceNode::VirtualSpaceNode(size_t byte_size) : _top(NULL), _next(NULL), _rs(0) {
// align up to vm allocation granularity
byte_size = align_size_up(byte_size, os::vm_allocation_granularity());
// This allocates memory with mmap. For DumpSharedspaces, allocate the // This allocates memory with mmap. For DumpSharedspaces, allocate the
// space at low memory so that other shared images don't conflict. // space at low memory so that other shared images don't conflict.
// This is the same address as memory needed for UseCompressedOops but // This is the same address as memory needed for UseCompressedOops but