//MmProbeAndLockPages例程探测指定的虚拟内存页，使它们驻留并锁定他们所在的那片物理内存。
VOID
NTAPI
MmProbeAndLockPages(IN PMDL Mdl,
                    IN KPROCESSOR_MODE AccessMode,
                    IN LOCK_OPERATION Operation)
{
   
    PPFN_NUMBER MdlPages;
    PVOID Base, Address, LastAddress, StartAddress;
    ULONG LockPages, TotalPages;