typedef struct _PF_KERNEL_GLOBALS
{
    unsigned __int64 AccessBufferAgeThreshold;
    EX_RUNDOWN_REF AccessBufferRef;
    KEVENT AccessBufferExistsEvent;
    unsigned long AccessBufferMax;
    SLIST_HEADER AccessBufferList;
    long StreamSequenceNumber;
    unsigned long Flags;
    long ScenarioPrefetchCount;
} PF_KERNEL_GLOBALS, *PPF_KERNEL_GLOBALS;