On Tue, 2012-07-10 at 16:53 +0800, Gao feng wrote: > > Hi Gao > > > > Is it still needed to call update_netdev_tables() from write_priomap() ? > > > > Yes, I think it's needed,because read_priomap will show all of the net > devices, > > But we may add the netdev after create a netprio cgroup, so the new added > netdev's > priomap will not be allocated. if we don't call update_netdev_tables in > write_priomap, > we may access this unallocated memory. >
I realize my question was not clear. If we write in write_priomap() a field of a single netdevice, why should we allocate memory for all netdevices on the machine ? So the question was : Do we really need to call update_netdev_tables(alldevs), instead of extend_netdev_table(dev) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
