C++開發驅動中的重載問題

template <POOL_TYPE PoolType> class CAllocator { public:       void* operator new(unsigned int size)     {         return ExAllocatePoolWithTag(PoolType, size, OSNTAG);     }       void* operator new[](unsigned int size)     {         return ExAllocatePoolWithTag(PoolType, size, OSNTAG);     }       PVOID operator new (size_t Size, void *addr)     {         return addr;     }       VOID operator delete(PVOID pMemory)     {         if(pMemory!=NULL)             ExFreePool(pMemory);     }       VOID operator delete[](PVOID pMemory)     {         if(pMemory!=NULL)             ExFreePool(pMemory);     } };   typedef CAllocator<NonPagedPool> CNPAllocator; typedef CAllocator<PagedPool> CPAllocator;