struct MI_PAGEFILE_TRACES

typedef struct _MI_PAGEFILE_TRACES
{
     LONG Status;
     UCHAR Priority;
     UCHAR IrpPriority;
     LARGE_INTEGER CurrentTime;
     ULONG AvailablePages;
     ULONG ModifiedPagesTotal;
     ULONG ModifiedPagefilePages;
     ULONG ModifiedNoWritePages;
     ULONG MdlHack;
} MI_PAGEFILE_TRACES, *PMI_PAGEFILE_TRACES;

Windows Vista Kernel Structures