Re: Modules and the Interfaces who Love Them (Take I)

[Jeff Garzik]

Rusty Russell wrote:

> Slow: Your approach where every interface has to do reference counts
> even though they're only useful for modules makes every interface
> slow, whether they are using modules or not.  You can't make them
> fast, because that would make every interface NR_CPUS *
> sizeof(cacheline) larger.

(tangent alert)

Objects controlled by interfaces typically should be ref-counted... 
life in the kernel is slowly getting better WRT this, but we're not 
there yet.  In any case, the ref counts help, not hurt.

	Jeff