VOID __stdcall KiAbThreadUnboostIoPriority(_ETHREAD *Thread, UINT64 IoQoSBoost){
_InterlockedDecrement((volatile signed __int32 *)((char *)&Thread->Tcb.AbCompletedIoBoostCount
+ ((_DWORD)IoQoSBoost != 0 ? 4 : 0)));
if( (_DWORD)IoQoSBoost )
PsBoostThreadIoQoS(Thread, 1ui64);
else
PsBoostThreadIoEx(Thread, 1u, 0, 0i64);
}