VOID
FASTCALL
KeSetSwapContextNotifyRoutine(
  IN  PSWAP_CONTEXT_NOTIFY_ROUTINE NotifyRoutine
  );

Routine Description:

    This function sets the address of a callout routine which will be called
    at each context swtich.

Arguments:

    NotifyRoutine - Supplies the address of the swap context notify callout
        routine.

Return Value:

    None.