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cgroup: don't call cgroup1_pidlist_destroy_all() for v2

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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>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Xiu Jianfeng 2024-04-18 02:19:30 +00:00 committed by Tejun Heo
parent a6b8daba00
commit 15a0b5fe1a
1 changed files with 2 additions and 1 deletions
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3
kernel/cgroup/cgroup.c
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@ -5368,7 +5368,8 @@ static void css_free_rwork_fn(struct work_struct *work)
} else {
/* cgroup free path */
atomic_dec(&cgrp->root->nr_cgrps);
cgroup1_pidlist_destroy_all(cgrp);
if (!cgroup_on_dfl(cgrp))
cgroup1_pidlist_destroy_all(cgrp);
cancel_work_sync(&cgrp->release_agent_work);
bpf_cgrp_storage_free(cgrp);