Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/allocation.hpp
src/share/vm/memory/allocation.hpp
- changeset 4901
- 83f27710f5f7
- parent 4512
- 4102b59539ce
- child 4942
- f36e073d56a4
- child 4962
- 6f817ce50129
- child 5241
- f75faf51e8c4
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| 4900:8617e38bb4cb | 4901:83f27710f5f7 |
|---|---|
| 609 public: | 609 public: |
| 610 ReallocMark() PRODUCT_RETURN; | 610 ReallocMark() PRODUCT_RETURN; |
| 611 void check() PRODUCT_RETURN; | 611 void check() PRODUCT_RETURN; |
| 612 }; | 612 }; |
| 613 | 613 |
| 614 // Helper class to allocate arrays that may become large. | |
| 615 // Uses the OS malloc for allocations smaller than ArrayAllocatorMallocLimit | |
| 616 // and uses mapped memory for larger allocations. | |
| 617 // Most OS mallocs do something similar but Solaris malloc does not revert | |
| 618 // to mapped memory for large allocations. By default ArrayAllocatorMallocLimit | |
| 619 // is set so that we always use malloc except for Solaris where we set the | |
| 620 // limit to get mapped memory. | |
| 621 template <class E, MEMFLAGS F> | |
| 622 class ArrayAllocator : StackObj { | |
| 623 char* _addr; | |
| 624 bool _use_malloc; | |
| 625 size_t _size; | |
| 626 public: | |
| 627 ArrayAllocator() : _addr(NULL), _use_malloc(false), _size(0) { } | |
| 628 ~ArrayAllocator() { free(); } | |
| 629 E* allocate(size_t length); | |
| 630 void free(); | |
| 631 }; | |
| 632 | |
| 614 #endif // SHARE_VM_MEMORY_ALLOCATION_HPP | 633 #endif // SHARE_VM_MEMORY_ALLOCATION_HPP |
