KeAbProcessBaseIoPriorityChange

void __fastcall KeAbProcessBaseIoPriorityChange(__int64 a1, int a2, int a3){
  UINT64 v4; 
  BOOL v5; 
  v4 = 0i64;
  if( a3 >= 2 )
  {
    if( a2 >= 2 )
      return;
    v4 = 1i64;
    v5 = 1;
  }
  else
  {
    v5 = a2 >= 2;
  }
  if( v5 )
    KeAbProcessBaseIoPriorityChangeInternal((_KTHREAD *)a1, v4);
}

Referenced by:

PsSetIoPriorityThread
PspNotifyProcessBackgroundTransition