Re: [PATCH 1/5] cgroup: record ancestor IDs and reimplement cgroup_is_descendant() using it
- From
- Jan Engelhardt <hidden>
- Date
- 2015-11-17 22:54:58
- Also in
- cgroups, lkml, netfilter-devel
- Reply to
- Tejun Heo, 2015-11-17
On Tuesday 2015-11-17 20:40, Tejun Heo wrote:
+static inline bool cgroup_is_descendant(struct cgroup *cgrp, + struct cgroup *ancestor)
(const struct group *cgrp, const struct group *ancestor)
quoted hunk ↗ jump to hunk
+{ + if (cgrp->root != ancestor->root || cgrp->level < ancestor->level) + return false; + return cgrp->ancestor_ids[ancestor->level] == ancestor->id; +}