Re: v6: faster tree-based sysctl implementation

time modprobe dummy numdummies=1000FATAL: Error inserting dummy
(/lib/modules/3.2.0-3-generic/kernel/drivers/net/dummy.ko): Operation
not permitted
real	0m0.192suser	0m0.000ssys	0m0.012s
That was on an Ubuntu system.
What are the practical problems you solve with this ?
Name one or more.

You add more code. This is not good. If you reduce the code, then it
will be interesting.