On Thu, Nov 08, 2018 at 12:15:15PM -0800, Tejun Heo wrote: > CSS_TASK_ITER_PROCS implements process-only iteration by making > css_task_iter_advance() skip tasks which aren't threadgroup leaders; > however, when an iteration is started css_task_iter_start() calls the > inner helper function css_task_iter_advance_css_set() instead of > css_task_iter_advance(). As the helper doesn't have the skip logic, > when the first task to visit is a non-leader thread, it doesn't get > skipped correctly as shown in the following example.
Applied to cgroup/for-4.20-fixes. Thanks. -- tejun
