"Nadia Derbey posted a set of patches to the Linux Kernel
Mailing List titled Automatic Kernel Tunables, or AKT, explaining,
'this is a series of patches that introduces a feature that makes
the kernel automatically change the tunables values as it sees
resources running out.' The kernel portion of the AKT framework is
described as providing sysfs interfaces for registering tunables,
and for activating the automatic tuning of registered tunables.
Nadia explains the second feature, 'it can be called during
resource allocation to tune up, and during resource freeing to tune
down the registered tunable.' The userland portion of the framework
provides an interface for configuring whether or not a tunable
should be set automatically..."