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

["Chen, Kenneth W" <kenneth.w.chen@intel.com>]

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 :-)


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