RE: Fw: [Bug 4520] New: /proc/*/maps fragments too quickly compared to

Chen, Kenneth W
2005-05-10T19:34:41Z

Andrew Morton wrote Tuesday, May 10, 2005 11:58 AM
> "Chen, Kenneth W" <kenneth.w.chen@intel.com> wrote:
> > Andrew Morton wrote on Monday, May 09, 2005 2:27 PM
> > > Possibly for the 2.6.12 release the safest approach would be to just
> > > disable the free area cache while we think about it.
> >
> > I hope people are not thinking permanently kill the free area cache
> > algorithm. It is known to give a large percentage of performance gain
> > on specweb SSL benchmark. I think it gives 4-5% gain from free area
> > cache algorithm.
>
> It also makes previously-working workloads completely *fail*.

I agree that functionality over rule most of everything else. Though, I
do want to bring to your attention on how much performance regression we
will see if the free area cache is completely disabled. I rather make
noise now instead of a couple month down the road :-)