diff options
Diffstat (limited to 'tools/testing/selftests/bpf/cgroup_helpers.c')
| -rw-r--r-- | tools/testing/selftests/bpf/cgroup_helpers.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c index 19be9c63d5e8..e4535451322e 100644 --- a/tools/testing/selftests/bpf/cgroup_helpers.c +++ b/tools/testing/selftests/bpf/cgroup_helpers.c @@ -429,7 +429,7 @@ int create_and_get_cgroup(const char *relative_path) * which is an invalid cgroup id. * If there is a failure, it prints the error to stderr. */ -unsigned long long get_cgroup_id_from_path(const char *cgroup_workdir) +static unsigned long long get_cgroup_id_from_path(const char *cgroup_workdir) { int dirfd, err, flags, mount_id, fhsize; union { @@ -508,6 +508,9 @@ int cgroup_setup_and_join(const char *path) { /** * setup_classid_environment() - Setup the cgroupv1 net_cls environment * + * This function should only be called in a custom mount namespace, e.g. + * created by running setup_cgroup_environment. + * * After calling this function, cleanup_classid_environment should be called * once testing is complete. * @@ -641,7 +644,7 @@ unsigned long long get_classid_cgroup_id(void) /** * get_cgroup1_hierarchy_id - Retrieves the ID of a cgroup1 hierarchy from the cgroup1 subsys name. * @subsys_name: The cgroup1 subsys name, which can be retrieved from /proc/self/cgroup. It can be - * a named cgroup like "name=systemd", a controller name like "net_cls", or multi-contollers like + * a named cgroup like "name=systemd", a controller name like "net_cls", or multi-controllers like * "net_cls,net_prio". */ int get_cgroup1_hierarchy_id(const char *subsys_name) |