typedef struct _RTLP_RANGE_LIST_ENTRY
{
     UINT64 Start;
     UINT64 End;
     UINT64 Merged;
     UCHAR Attributes;
     UCHAR PublicFlags;
     WORD PrivateFlags;
     LIST_ENTRY ListEntry;
} RTLP_RANGE_LIST_ENTRY, *PRTLP_RANGE_LIST_ENTRY;

Windows Vista Kernel Structures