On Wed, Dec 27, 2017 at 04:06:38PM -0600, Christoph Lameter wrote: > +++ linux/Documentation/ABI/testing/sysfs-kernel-slab > @@ -180,6 +180,19 @@ Description: > list. It can be written to clear the current count. > Available when CONFIG_SLUB_STATS is enabled. > > +What: /sys/kernel/slab/cache/defrag_ratio > +Date: December 2017 > +KernelVersion: 4.16 > +Contact: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx> > + Pekka Enberg <penberg@xxxxxxxxxxxxxx>, > +Description: > + The defrag_ratio files allows the control of how agressive > + slab fragmentation reduction works at reclaiming objects from > + sparsely populated slabs. This is a percentage. If a slab > + has more than this percentage of available object then reclaim > + will attempt to reclaim objects so that the whole slab > + page can be freed. The default is 30%. > + > What: /sys/kernel/slab/cache/deactivate_to_tail > Date: February 2008 > KernelVersion: 2.6.25 Should this documentation mention it's SLUB-only? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
