On Tue, Sep 13, 2011 at 11:11 AM, Glauber Costa <glommer@xxxxxxxxxxxxx> wrote: > > What if they are all updated under the same lock ? Right, that would be the kind of optimization that would remove the need for worrying about whether or not to account it. It would probably mean creating some memcg-specific structures like res-counters that could handle multiple values, since you'd need to update both the kernel charge and the total charge, in this cgroup *and* its ancestors. Paul -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>