diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/cgroup.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 79993ac066c..7e9fa505b7b 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -250,6 +250,9 @@ enum { * * - "cgroup.clone_children" is removed. * + * - If mount is requested with sane_behavior but without any + * subsystem, the default unified hierarchy is mounted. + * * - cpuset: tasks will be kept in empty cpusets when hotplug happens * and take masks of ancestors with non-empty cpus/mems, instead of * being moved to an ancestor. @@ -468,6 +471,13 @@ struct cftype { #endif }; +extern struct cgroup_root cgrp_dfl_root; + +static inline bool cgroup_on_dfl(const struct cgroup *cgrp) +{ + return cgrp->root == &cgrp_dfl_root; +} + /* * See the comment above CGRP_ROOT_SANE_BEHAVIOR for details. This * function can be called as long as @cgrp is accessible. |