(2012/05/12 2:44), Glauber Costa wrote: > From: Frederic Weisbecker <[email protected]> > > Moving a task from a cgroup to another may require to substract its > resource charge from the old cgroup and add it to the new one. > > For this to happen, the uncharge/charge propagation can just stop when we > reach the common ancestor for the two cgroups. Further the performance > reasons, we also want to avoid to temporarily overload the common > ancestors with a non-accurate resource counter usage if we charge first > the new cgroup and uncharge the old one thereafter. This is going to be a > requirement for the coming max number of task subsystem. > > To solve this, provide a pair of new API that can charge/uncharge a > resource counter until we reach a given ancestor. > > Signed-off-by: Frederic Weisbecker <[email protected]> > Acked-by: Paul Menage <[email protected]> > Acked-by: Glauber Costa <[email protected]> > Cc: Li Zefan <[email protected]> > Cc: Johannes Weiner <[email protected]> > Cc: Aditya Kali <[email protected]> > Cc: Oleg Nesterov <[email protected]> > Cc: Kay Sievers <[email protected]> > Cc: Tim Hockin <[email protected]> > Cc: Tejun Heo <[email protected]> > Acked-by: Kirill A. Shutemov <[email protected]> > Signed-off-by: Andrew Morton <[email protected]>
Where is this function called in this series ? Thanks, -Kame _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
