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| author |   Zhang Qiao <zhangqiao22@huawei.com> | 2024-09-26 10:15:05 +0800 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2024-09-27 11:06:28 -1000 |
| commit | 161853a78bb2f304eb16f025ea08bd1bbe61516c (patch) | |
| tree | 8ef4284c1debdc3f110dcb00dda99fb0327ea8ad | |
| parent | sched/ext: Fix unmatch trailing comment of CONFIG_EXT_GROUP_SCHED (diff) | |
| download | wireguard-linux-161853a78bb2f304eb16f025ea08bd1bbe61516c.tar.xz wireguard-linux-161853a78bb2f304eb16f025ea08bd1bbe61516c.zip | |
sched/ext: Use tg_cgroup() to elieminate duplicate code
Use tg_cgroup() to eliminate duplicate code patterns
in scx_bpf_task_cgroup().
Signed-off-by: Zhang Qiao <zhangqiao22@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | kernel/sched/ext.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index 0e8eac19daa4..fe8acae35166 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -7130,15 +7130,8 @@ __bpf_kfunc struct cgroup *scx_bpf_task_cgroup(struct task_struct *p) if (!scx_kf_allowed_on_arg_tasks(__SCX_KF_RQ_LOCKED, p)) goto out; - /* - * A task_group may either be a cgroup or an autogroup. In the latter - * case, @tg->css.cgroup is %NULL. A task_group can't become the other - * kind once created. - */ - if (tg && tg->css.cgroup) - cgrp = tg->css.cgroup; - else - cgrp = &cgrp_dfl_root.cgrp; + cgrp = tg_cgrp(tg); + out: cgroup_get(cgrp); return cgrp; |