copy
//0x68 bytes (sizeof)
struct _MI_STORE_MODWRITER_EXTENSION
{
    struct _KAPC WriteCompletionApc;                                        //0x0
    ULONG WriteRefCount;                                                    //0x58
    ULONG PadSpare;                                                         //0x5c
    struct _MMPTE PagefileInfo[1];                                          //0x60
};