On Wed, 17 Jul 2013, Pekka Enberg wrote: > > while doing make oldconfig on an !SMP config using 3.11-rc1 I was asked > > if I want CONFIG_SLUB_CPU_PARTIAL. AFAICT this setting only affects SMP > > machines? If so I suggest to make the choice depend on SMP and treat the > > !SMP case as CONFIG_SLUB_CPU_PARTIAL=n.
Sounds ok. > > > > This was introduced in commit > > 345c905 (slub: Make cpu partial slab support configurable) > > The per-CPU partial list is used on UP machines as well so the config > option does affect them. Whether or not they should be used is another > topic entirely. Christoph, Joonsoo? cpu partial pages are used to avoid contention which does not exist in the UP case. We can simply default to off for UP. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
