diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 7a6c4c72ca55..f51443fd5f71 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -5035,34 +5035,6 @@ void cgroup_exit(struct task_struct *tsk, int run_callbacks) put_css_set_taskexit(cg); } -/** - * cgroup_is_descendant - see if @cgrp is a descendant of @task's cgrp - * @cgrp: the cgroup in question - * @task: the task in question - * - * See if @cgrp is a descendant of @task's cgroup in the appropriate - * hierarchy. - * - * If we are sending in dummytop, then presumably we are creating - * the top cgroup in the subsystem. - * - * Called only by the ns (nsproxy) cgroup. - */ -int cgroup_is_descendant(const struct cgroup *cgrp, struct task_struct *task) -{ - int ret; - struct cgroup *target; - - if (cgrp == dummytop) - return 1; - - target = task_cgroup_from_root(task, cgrp->root); - while (cgrp != target && cgrp!= cgrp->top_cgroup) - cgrp = cgrp->parent; - ret = (cgrp == target); - return ret; -} - static void check_for_release(struct cgroup *cgrp) { /* All of these checks rely on RCU to keep the cgroup |