On Fri, Jul 22, 2022 at 05:48:27PM +0000, Yosry Ahmed wrote: > Enable bpf programs to make use of rstat to collect cgroup hierarchical > stats efficiently: > - Add cgroup_rstat_updated() kfunc, for bpf progs that collect stats. > - Add cgroup_rstat_flush() sleepable kfunc, for bpf progs that read stats. > - Add an empty bpf_rstat_flush() hook that is called during rstat > flushing, for bpf progs that flush stats to attach to. Attaching a bpf > prog to this hook effectively registers it as a flush callback. > > Signed-off-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun
