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| author | Johannes Weiner <hannes@cmpxchg.org> | 2016-02-16 19:21:14 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-02-16 19:26:02 +0100 |
| commit | 1619b6d4fdd776b1b91bd288ad6f7e37fe183485 (patch) | |
| tree | c69e1ffab2741d942bedd3e86a42d13a5bf6f168 /Documentation/cgroup-v2.txt | |
| parent | cgroup: provide cgroup_nov1= to disable controllers in v1 mounts (diff) | |
| download | linux-1619b6d4fdd776b1b91bd288ad6f7e37fe183485.tar.xz linux-1619b6d4fdd776b1b91bd288ad6f7e37fe183485.zip | |
cgroup: document cgroup_no_v1=
Add cgroup_no_v1= to kernel-parameters.txt, and a small blurb to
cgroup-v2.txt section about transitioning from cgroup to cgroup2.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation/cgroup-v2.txt')
| -rw-r--r-- | Documentation/cgroup-v2.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt index 9ae148ab1255..3922ae1654fd 100644 --- a/Documentation/cgroup-v2.txt +++ b/Documentation/cgroup-v2.txt @@ -132,6 +132,12 @@ strongly discouraged for production use. It is recommended to decide the hierarchies and controller associations before starting using the controllers after system boot. +During transition to v2, system management software might still +automount the v1 cgroup filesystem and so hijack all controllers +during boot, before manual intervention is possible. To make testing +and experimenting easier, the kernel parameter cgroup_no_v1= allows +disabling controllers in v1 and make them always available in v2. + 2-2. Organizing Processes |