1 files changed, 5 insertions, 4 deletions

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 192f88c5b0f..ed19afd9e3f 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1791,10 +1791,11 @@ out:
 }
 
 /**
- * cgroup_attach_task_current_cg - attach task 'tsk' to current task's cgroup
+ * cgroup_attach_task_all - attach task 'tsk' to all cgroups of task 'from'
+ * @from: attach to all cgroups of a given task
  * @tsk: the task to be attached
  */
-int cgroup_attach_task_current_cg(struct task_struct *tsk)
+int cgroup_attach_task_all(struct task_struct *from, struct task_struct *tsk)
 {
         struct cgroupfs_root *root;
         struct cgroup *cur_cg;
@@ -1802,7 +1803,7 @@ int cgroup_attach_task_current_cg(struct task_struct *tsk)
 
         cgroup_lock();
         for_each_active_root(root) {
-                cur_cg = task_cgroup_from_root(current, root);
+                cur_cg = task_cgroup_from_root(from, root);
                 retval = cgroup_attach_task(cur_cg, tsk);
                 if (retval)
                         break;
@@ -1811,7 +1812,7 @@ int cgroup_attach_task_current_cg(struct task_struct *tsk)
 
         return retval;
 }
-EXPORT_SYMBOL_GPL(cgroup_attach_task_current_cg);
+EXPORT_SYMBOL_GPL(cgroup_attach_task_all);
 
 /*
  * Attach task with pid 'pid' to cgroup 'cgrp'. Call with cgroup_mutex