Re: 2.4.13-ac5-preempt, overflow in cached memory stat?

[Andrea Arcangeli]

On Mon, Nov 05, 2001 at 12:37:55AM -0800, Andrew Morton wrote:
> Robert Love wrote:
> > 
> > > PS I know you keep hearing this, but that preempt patch makes for some
> > > damn smooth interactive performance ;)
> > 
> > I can't hear it enough :)
> > 
> 
> umm...  Look.  Sorry.  But I don't see any theoretical reason
> why interactivity should be noticeably different from the
> little patch at
> 
> http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.14pre7aa2/00_lowlatency-fixes-2

indeed, the only thing that PE can really change is the mean latency but
everbody only cares about worst case latency and nominal performance,
possibly except realtime signal processing (not multimedia playback
like listening mp3).

Andrea