cgroup, doc: make cgroup_disable doc more accurate
In doc, it said that 'Currently supported controllers - "memory"',
but actually we can use cgroup_disable=cpu,cpuset and all other
controllers, so this is confusing for cgroup users without much
cgroup knowledge. We need to make it clear.
[some comments copied from Paul Menage's original patch 8bab8dded]
Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 479eeaf..5589f4d 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -511,7 +511,14 @@
cgroup_disable= [KNL] Disable a particular controller
Format: {name of the controller(s) to disable}
- {Currently supported controllers - "memory"}
+ The effects of cgroup_disable=foo are:
+ - foo isn't auto-mounted if you mount all cgroups in
+ a single hierarchy
+ - foo isn't visible as an individually mountable
+ subsystem
+ {Currently only "memory" controller deal with this and
+ cut the overhead, others just disable the usage. So
+ only cgroup_disable=memory is actually worthy}
checkreqprot [SELINUX] Set initial checkreqprot flag value.
Format: { "0" | "1" }
