copy
//0x40 bytes (sizeof)
struct _KI_AVAILABLE_CPUS_WORK_ITEM
{
    struct _WORK_QUEUE_ITEM ExWorkItem;                                     //0x0
    struct _EX_RUNDOWN_REF RundownRef;                                      //0x20
    union _KI_AVAILABLE_CPUS_WORK_STATE WorkState;                          //0x28
    VOID (*Callback)(VOID* arg1);                                           //0x30
    VOID* Context;                                                          //0x38
};