setDeallocated
pHeap->setDeallocated(0, sb->getNumBlocks() * sizeFromClass(sb->getBlockSizeClass()));
pHeap->setDeallocated(0,
pHeap->setDeallocated(0,
setDeallocated(b->getRequestedSize(), 0);
void setDeallocated(int requestedSize, int actualSize);