251 void ArrayAllocator<E, F>::free_malloc(E* addr, size_t length) {
252 MallocArrayAllocator<E, F>::free(addr, length);
253 }
254
255 template<class E, MEMFLAGS F>
256 void ArrayAllocator<E, F>::free_mmap(E* addr, size_t length) {
257 MmapArrayAllocator<E, F>::free(addr, length);
258 }
259
260 template<class E, MEMFLAGS F>
261 void ArrayAllocator<E, F>::free(E* addr, size_t length) {
262 if (addr != NULL) {
263 if (should_use_malloc(length)) {
264 free_malloc(addr, length);
265 } else {
266 free_mmap(addr, length);
267 }
268 }
269 }
270
271 #endif // SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP
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251 void ArrayAllocator<E, F>::free_malloc(E* addr, size_t length) {
252 MallocArrayAllocator<E, F>::free(addr, length);
253 }
254
255 template<class E, MEMFLAGS F>
256 void ArrayAllocator<E, F>::free_mmap(E* addr, size_t length) {
257 MmapArrayAllocator<E, F>::free(addr, length);
258 }
259
260 template<class E, MEMFLAGS F>
261 void ArrayAllocator<E, F>::free(E* addr, size_t length) {
262 if (addr != NULL) {
263 if (should_use_malloc(length)) {
264 free_malloc(addr, length);
265 } else {
266 free_mmap(addr, length);
267 }
268 }
269 }
270
271 template <class E, MEMFLAGS F> void* CMmapObj<E,F>::operator new(size_t size) {
272 int alignment = os::vm_allocation_granularity();
273
274 int pages = (int)(size / os::vm_page_size());
275 if (pages == 0 || size % (pages * os::vm_page_size()) != 0) pages++;
276 size_t mmap_size = pages * os::vm_page_size();
277
278 char* addr = os::reserve_memory(mmap_size, NULL, alignment, F);
279 if (addr == NULL) {
280 vm_exit_out_of_memory(size, OOM_MMAP_ERROR, "VTBuffer (reserve)");
281 }
282
283 os::commit_memory_or_exit(addr, mmap_size, !ExecMem, "VTBuffer (commit)");
284
285 return addr;
286 }
287
288 template <class E, MEMFLAGS F> void CMmapObj<E, F>::operator delete(void* addr, size_t length) {
289 int pages = (int)(length / os::vm_page_size());
290 if (pages == 0 || length % (pages * os::vm_page_size()) != 0) pages++;
291 size_t mmap_size = pages * os::vm_page_size();
292 bool result = os::release_memory((char*)addr, mmap_size);
293 assert(result, "Failed to release memory");
294 }
295
296 #endif // SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP
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