Re: include/linux/pcounter.h

[Arjan van de Ven]

On Sat, 16 Feb 2008 11:26:18 -0800
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> > indirect functions calls are everywhere in kernel, network, fs,
> > everywhere.
> 
> That doesn't make them fast.

just to emphasize this: an indirect function call is at least as expensive as an atomic operation on 
x86 cpus.... (if not more)

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