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| author | Tejun Heo <tj@kernel.org> | 2018-12-28 10:31:07 -0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2018-12-28 10:34:12 -0800 |
| commit | 3fc9c12d27b4ded4f1f761a800558dab2e6bbac5 (patch) | |
| tree | 93db5bb4c9028449057db754f83058bb7593aefa /Documentation/admin-guide/kernel-parameters.txt | |
| parent | e250d91d65750a0c0c62483ac4f9f357e7317617 (diff) | |
| download | lwn-3fc9c12d27b4ded4f1f761a800558dab2e6bbac5.tar.gz lwn-3fc9c12d27b4ded4f1f761a800558dab2e6bbac5.zip | |
cgroup: Add named hierarchy disabling to cgroup_no_v1 boot param
It can be useful to inhibit all cgroup1 hierarchies especially during
transition and for debugging. cgroup_no_v1 can block hierarchies with
controllers which leaves out the named hierarchies. Expand it to
cover the named hierarchies so that "cgroup_no_v1=all,named" disables
all cgroup1 hierarchies.
Signed-off-by: Tejun Heo <tj@kernel.org>
Suggested-by: Marcin Pawlowski <mpawlowski@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 81d1d5a74728..8b7652449228 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -486,10 +486,14 @@ cut the overhead, others just disable the usage. So only cgroup_disable=memory is actually worthy} - cgroup_no_v1= [KNL] Disable one, multiple, all cgroup controllers in v1 - Format: { controller[,controller...] | "all" } + cgroup_no_v1= [KNL] Disable cgroup controllers and named hierarchies in v1 + Format: { { controller | "all" | "named" } + [,{ controller | "all" | "named" }...] } Like cgroup_disable, but only applies to cgroup v1; the blacklisted controllers remain available in cgroup2. + "all" blacklists all controllers and "named" disables + named mounts. Specifying both "all" and "named" disables + all v1 hierarchies. cgroup.memory= [KNL] Pass options to the cgroup memory controller. Format: <string> |