Re: [PATCH] cgroup: inline cgroup_task_freeze()

[Tejun Heo]

On Mon, May 10, 2021 at 11:45:56AM -0700, Roman Gushchin wrote:
> After the introduction of the cgroup.kill there is only one call site
> of cgroup_task_freeze() left: cgroup_exit(). cgroup_task_freeze() is
> currently taking rcu_read_lock() to read task's cgroup flags, but
> because it's always called with css_set_lock locked, the rcu protection
> is excessive.
> 
> Simplify the code by inlining cgroup_task_freeze().
> 
> Signed-off-by: Roman Gushchin <guro@xxxxxx>

Applied to cgroup/for-5.14.

Thanks.

-- 
tejun