On Thu, Sep 14, 2017 at 02:02:04PM -0700, Shaohua Li wrote: > From: Shaohua Li <shli@xxxxxx> > > kthread usually runs jobs on behalf of other threads. The jobs should be > charged to cgroup of original threads. But the jobs run in a kthread, > where we lose the cgroup context of original threads. The patch adds a > machanism to record cgroup info of original threads in kthread context. > Later we can retrieve the cgroup info and attach the cgroup info to jobs. > > Since this mechanism is only required by kthread, we store the cgroup > info in kthread data instead of generic task_struct. > > Signed-off-by: Shaohua Li <shli@xxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun