On Mon, Feb 18, 2013 at 02:13:35PM +0800, Li Zefan wrote: > If we pass fd of memory.usage_in_bytes of cgroup A to cgroup.event_control > of cgroup B, then we won't get memory usage notification from A but B! > > What's worse, if A and B are in different mount hierarchy, we'll end up > accessing NULL pointer! > > Disallow this kind of invalid usage. > > Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx> Acked-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
