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comparison src/share/vm/gc_implementation/parNew/parGCAllocBuffer.hpp @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children d1605aabd0a1
comparison
equal deleted inserted replaced
110:a49a647afe9a 113:ba764ed4b6f2
39 MemRegion _retained_filler; 39 MemRegion _retained_filler;
40 // In support of ergonomic sizing of PLAB's 40 // In support of ergonomic sizing of PLAB's
41 size_t _allocated; // in HeapWord units 41 size_t _allocated; // in HeapWord units
42 size_t _wasted; // in HeapWord units 42 size_t _wasted; // in HeapWord units
43 char tail[32]; 43 char tail[32];
44 static const size_t FillerHeaderSize; 44 static size_t FillerHeaderSize;
45 static const size_t AlignmentReserve; 45 static size_t AlignmentReserve;
46 46
47 public: 47 public:
48 // Initializes the buffer to be empty, but with the given "word_sz". 48 // Initializes the buffer to be empty, but with the given "word_sz".
49 // Must get initialized with "set_buf" for an allocation to succeed. 49 // Must get initialized with "set_buf" for an allocation to succeed.
50 ParGCAllocBuffer(size_t word_sz); 50 ParGCAllocBuffer(size_t word_sz);