cgroup_task_migrate() no longer uses @old_cgrp. Remove it.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
kernel/cgroup.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index ae23814..49f30f1 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2235,14 +2235,12 @@ struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset)
/**
* cgroup_task_migrate - move a task from one cgroup to another.
- * @old_cgrp: the cgroup @tsk is being migrated from
* @tsk: the task being migrated
* @new_cset: the new css_set @tsk is being attached to
*
* Must be called with cgroup_mutex, threadgroup and css_set_rwsem locked.
*/
-static void cgroup_task_migrate(struct cgroup *old_cgrp,
- struct task_struct *tsk,
+static void cgroup_task_migrate(struct task_struct *tsk,
struct css_set *new_cset)
{
struct css_set *old_cset;
@@ -2311,8 +2309,7 @@ static int cgroup_taskset_migrate(struct cgroup_taskset *tset,
down_write(&css_set_rwsem);
list_for_each_entry(cset, &tset->src_csets, mg_node) {
list_for_each_entry_safe(task, tmp_task, &cset->mg_tasks, cg_list)
- cgroup_task_migrate(cset->mg_src_cgrp, task,
- cset->mg_dst_cset);
+ cgroup_task_migrate(task, cset->mg_dst_cset);
}
up_write(&css_set_rwsem);
--
2.4.3
--
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