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 d24UbH+E 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --8090e66db7e30980d4e7ec6477b8ce05ba2136fb45d0958c46bd4cd69e74 Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 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. > >=20 > > 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= ? =20 > Did you happen to have some system-wide numbers for what that looks like= =20 > when running some benchmarks, or even what the slab usage looks like afte= r=20 > 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, --=20 Julian --8090e66db7e30980d4e7ec6477b8ce05ba2136fb45d0958c46bd4cd69e74 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iJEEABYKADkWIQTd3Z6iZzTygRNy7F4XFh3U+bgUcgUCZJxMJBscanVsaWFuLnBp ZGFuY2V0QG9yYWNsZS5jb20ACgkQFxYd1Pm4FHIWnQD9F0tzSCq9lVJTGJEs19as FGvzcVHNOaULKR9u2b0E1TABAN0T53eZZyzROe/er0yBlyy4ia8gqq+8ujS8u81+ rPcF =DIku -----END PGP SIGNATURE----- --8090e66db7e30980d4e7ec6477b8ce05ba2136fb45d0958c46bd4cd69e74--