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Documentation/cgroup-v1: fix outdated programming details 

The cgroup-v1 documentation is out of date in a few places:

 * cgroup controllers can no longer be compiled as modules since commit
   3ed80a6 ("cgroup: drop module support"); the functions and fields
   referenced here no longer exist.

 * Controllers need to create of a cgroup_subsys object named
   "<name>_cgrp_subsys" instead of "<name>_subsys" since commit
   073219e ("cgroup: clean up cgroup_subsys names and initialization")

Cc: Tejun Heo <tj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Matt Roper 2017-12-29 12:01:59 -08:00 committed by Tejun Heo
parent 4ad5a3217a
commit d51b9dae2e
1 changed files with 1 additions and 6 deletions
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7
Documentation/cgroup-v1/cgroups.txt
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@ -523,12 +523,7 @@ Accessing a task's cgroup pointer may be done in the following ways:
Each subsystem should:
- add an entry in linux/cgroup_subsys.h
- define a cgroup_subsys object called <name>_subsys
If a subsystem can be compiled as a module, it should also have in its
module initcall a call to cgroup_load_subsys(), and in its exitcall a
call to cgroup_unload_subsys(). It should also set its_subsys.module =
THIS_MODULE in its .c file.
- define a cgroup_subsys object called <name>_cgrp_subsys
Each subsystem may export the following methods. The only mandatory
methods are css_alloc/free. Any others that are null are presumed to