(2013/04/08 15:34), Li Zefan wrote: > Use css_get()/css_put() instead of mem_cgroup_get()/mem_cgroup_put(). > > There are two things being done in the current code: > > First, we acquired a css_ref to make sure that the underlying cgroup > would not go away. That is a short lived reference, and it is put as > soon as the cache is created. > > At this point, we acquire a long-lived per-cache memcg reference count > to guarantee that the memcg will still be alive. > > so it is: > > enqueue: css_get > create : memcg_get, css_put > destroy: memcg_put > > So we only need to get rid of the memcg_get, change the memcg_put to > css_put, and get rid of the now extra css_put. > > (This changelog is basically written by Glauber) > > Signed-off-by: Li Zefan <[email protected]> > Acked-by: Michal Hocko <[email protected]>
Acked-by: KAMEZAWA Hiroyuki <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
