cgroups: add previous cgroup in can_attach_task/attach_task callbacks

[karo-tx-linux.git] / kernel / cgroup_freezer.c

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 46b2ba3f08ef5c439584b007d367691152be9ffc..c435bc65f41874984b24548c2e97cd5d59c86cc7 100644 (file)
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -181,7 +181,8 @@ static int freezer_can_attach(struct cgroup_subsys *ss,
        return 0;
 }
 
-static int freezer_can_attach_task(struct cgroup *cgrp, struct task_struct *tsk)
+static int freezer_can_attach_task(struct cgroup *cgrp, struct cgroup *old_cgrp,
+                                  struct task_struct *tsk)
 {
        return cgroup_freezing(tsk) ? -EBUSY : 0;
 }