Messages in this thread Patch in this message | | | From | Xiu Jianfeng <> | Subject | [PATCH -next] cgroup: don't call cgroup1_pidlist_destroy_all() for v2 | Date | Wed, 17 Apr 2024 02:13:59 +0000 |
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From: Xiu Jianfeng <xiujianfeng@huawei.com>
Currently cgroup1_pidlist_destroy_all() will be called when releasing cgroup even if the cgroup is on default hierarchy, however it doesn't make any sense for v2 to destroy pidlist of v1.
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> --- kernel/cgroup/cgroup-v1.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index 520a11cb12f4..46d89157d558 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -197,6 +197,8 @@ void cgroup1_pidlist_destroy_all(struct cgroup *cgrp) { struct cgroup_pidlist *l, *tmp_l; + if (cgroup_on_dfl(cgrp)) + return; mutex_lock(&cgrp->pidlist_mutex); list_for_each_entry_safe(l, tmp_l, &cgrp->pidlists, links) mod_delayed_work(cgroup_pidlist_destroy_wq, &l->destroy_dwork, 0); -- 2.34.1
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