Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 28 Jun 2023 17:05:08 +0200 | Subject | Re: [PATCH] mm/slub: disable slab merging in the default configuration | From | "Julian Pidancet" <> |
| |
On Tue Jun 27, 2023 at 21:32, David Rientjes wrote: > On Tue, 27 Jun 2023, Julian Pidancet wrote: > > > Make CONFIG_SLAB_MERGE_DEFAULT default to n unless CONFIG_SLUB_TINY is > > enabled. Benefits of slab merging is limited on systems that are not > > memory constrained: the overhead is negligible and evidence of its > > effect on cache hotness is hard to come by. > > > > I don't have an objection to this, I think it makes sense. > > When you say overhead here, I assume you're referring to memory footprint? > Did you happen to have some system-wide numbers for what that looks like > when running some benchmarks, or even what the slab usage looks like after > a fresh boot? >
Thank you David for the quick review. I'll re-run the benchmark and measure slab usage when the system is under pressure.
Regards,
-- Julian [unhandled content-type:application/pgp-signature] | ![\](/images/icornerr.gif) |