/**
* Allocate and initialize the receivers internal structures.
* @return true on success, false on failure.
*/
bool
MM_ParallelSweepChunkArray::initialize(MM_EnvironmentBase* env, bool useVmem)
{
bool result = false;
MM_GCExtensionsBase* extensions = env->getExtensions();
_useVmem = useVmem;
if (extensions->isFvtestForceSweepChunkArrayCommitFailure()) {
Trc_MM_SweepHeapSectioning_parallelSweepChunkArrayCommitFailureForced(env->getLanguageVMThread());
} else {
if (useVmem) {
MM_MemoryManager* memoryManager = extensions->memoryManager;
if (memoryManager->createVirtualMemoryForMetadata(env, &_memoryHandle, extensions->heapAlignment, _size * sizeof(MM_ParallelSweepChunk))) {
void* base = memoryManager->getHeapBase(&_memoryHandle);
result = memoryManager->commitMemory(&_memoryHandle, base, _size * sizeof(MM_ParallelSweepChunk));
if (!result) {
Trc_MM_SweepHeapSectioning_parallelSweepChunkArrayCommitFailed(env->getLanguageVMThread(), base, _size * sizeof(MM_ParallelSweepChunk));
}
_array = (MM_ParallelSweepChunk*)base;
}
} else {
if (0 != _size) {
_array = (MM_ParallelSweepChunk*)env->getForge()->allocate(_size * sizeof(MM_ParallelSweepChunk), MM_AllocationCategory::FIXED, OMR_GET_CALLSITE());
result = (NULL != _array);
} else {
result = true;
}
}
}
return result;
}
/**
* Commit the address range into physical memory.
* @return true if successful, false otherwise.
* @note This is a bit of a strange function to have as public API. Should it be removed?
*/
bool
MM_HeapVirtualMemory::commitMemory(void* address, uintptr_t size)
{
MM_GCExtensionsBase* extensions = MM_GCExtensionsBase::getExtensions(_omrVM);
MM_MemoryManager* memoryManager = extensions->memoryManager;
return memoryManager->commitMemory(&_vmemHandle, address, size);
}