Re: [RFC PATCH] greatly reduce SLOB external fragmentation

Andi Kleen
2008-07-31T16:03:24Z

On Thu, Jul 31, 2008 at 10:25:45AM -0500, Christoph Lameter wrote:
> Andi Kleen wrote:
> >> Finally getting rid of SLAB is a much trickier proposition because SLUB
> >> still loses in a few important corner cases.
> >
> > The big issue is that we haven't really made much progress on at least
> > some of these test cases (like the database benchmarks) for quite some
> > time (and that wasn't for a lack of trying) :-/ Might be a fundamental
> > problem.
>
> It would be good to have more of these benchmark regressions than just TPC which requires a database setup etc etc. Preferably something that is easily runnable by everyone.

AFAIK willy had a small test case for at least one of them.

-Andi