On Fri, 12 Apr 2019 12:28:16 +0100 Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> wrote: > On Wed, Apr 10, 2019 at 02:53:34PM -0700, David Rientjes wrote: > > > FWIW, our enterprise kernel use it (latest is 4.12 based), and openSUSE > > > kernels as well (with openSUSE Tumbleweed that includes latest > > > kernel.org stables). AFAIK we don't enable SLAB_DEBUG even in general > > > debug kernel flavours as it's just too slow. > > > > > > IIRC last time Mel evaluated switching to SLUB, it wasn't a clear > > > winner, but I'll just CC him for details :) > > > > > > > We also use CONFIG_SLAB and disable CONFIG_SLAB_DEBUG for the same reason. > > Would it be possible to re-evaluate using mainline kernel 5.0? I have vague memories that slab outperforms slub for some networking loads. Could the net folks please comment?
