James Morris <[email protected]> wrote:
>
> On Fri, 21 Apr 2006, Daniel Walker wrote:
>
> > I included a patch , not like it's needed . Recently I've been
> > evaluating likely/unlikely branch prediction .. One thing that I found
> > is that the kfree function is often called with a NULL "objp" . In fact
> > it's so frequent that the "unlikely" branch predictor should be inverted!
> > Or at least on my configuration.
>
> It would be helpful to collect some stats on this so we can look at the
> ratio.
>
Yes, kfree(NULL) is supposed to be uncommon. If someone's doing it a lot
then we should fix up the callers.
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