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-rw-r--r--tools/perf/util/cgroup.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/cgroup.h b/tools/perf/util/cgroup.h
index 69169fbf8d13..34a6c11543dc 100644
--- a/tools/perf/util/cgroup.h
+++ b/tools/perf/util/cgroup.h
@@ -15,6 +15,7 @@ struct cgroup {
extern int nr_cgroups; /* number of explicit cgroups defined */
+struct cgroup *cgroup__get(struct cgroup *cgroup);
void cgroup__put(struct cgroup *cgroup);
int parse_cgroups(const struct option *opt, const char *str, int unset);