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comparison src/share/vm/gc_implementation/parallelScavenge/psVirtualspace.hpp @ 6197:d2a62e0f25eb

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6995781: Native Memory Tracking (Phase 1) 7151532: DCmd for hotspot native memory tracking Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd Reviewed-by: acorn, coleenp, fparain
author zgu
date Thu, 28 Jun 2012 17:03:16 -0400
parents f95d63e2154a
children b9a9ed0f8eeb
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6174:74533f63b116 6197:d2a62e0f25eb
30 // VirtualSpace for the parallel scavenge collector. 30 // VirtualSpace for the parallel scavenge collector.
31 // 31 //
32 // VirtualSpace is data structure for committing a previously reserved address 32 // VirtualSpace is data structure for committing a previously reserved address
33 // range in smaller chunks. 33 // range in smaller chunks.
34 34
35 class PSVirtualSpace : public CHeapObj { 35 class PSVirtualSpace : public CHeapObj<mtGC> {
36 friend class VMStructs; 36 friend class VMStructs;
37 protected: 37 protected:
38 // The space is committed/uncommited in chunks of size _alignment. The 38 // The space is committed/uncommited in chunks of size _alignment. The
39 // ReservedSpace passed to initialize() must be aligned to this value. 39 // ReservedSpace passed to initialize() must be aligned to this value.
40 const size_t _alignment; 40 const size_t _alignment;