From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Subject: Re: [PATCH v4 0/4] cgroups: support for module-loadable subsystems
Date: Wed, 6 Jan 2010 16:04:14 -0800
Message-ID: <20100106160414.bd555474.akpm@linux-foundation.org>
References: <20091231051050.GA714@andrew.cmu.edu>
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To: Ben Blum <bblum-OM76b2Iv3yLQjUSlxSEPGw@public.gmane.org>
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On Thu, 31 Dec 2009 00:10:50 -0500
Ben Blum <bblum-OM76b2Iv3yLQjUSlxSEPGw@public.gmane.org> wrote:

> This patch series implements support for building, loading, and
> unloading subsystems as modules, both within and outside the kernel
> source tree. It provides an interface cgroup_load_subsys() and
> cgroup_unload_subsys() which modular subsystems can use to register and
> depart during runtime. The net_cls classifier subsystem serves as the
> example for a subsystem which can be converted into a module using these
> changes.

What is the value in this?  What are the usage scenarios?  Why does the
benefit of this change exceed the cost/risk/etc of merging it?