VOID KiOutSwapKernelStacks( IN KIRQL PreviousIrql ); Routine Description: This function attempts to out swap the kernel stack for threads whose wait mode is user and which have been waiting longer than the stack protect time. N.B. The dispatcher data lock is held on entry to this routine and must be help on exit to this routine. Arguments: PreviousIrql - Supplies the previous IRQL. Return Value: None.