On Thu, May 19, 2011 at 12:32 PM, David Miller <davem@xxxxxxxxxxxxx> wrote:
>
> It's been my experience that prefetch hurts more than it ever helps
> for these list traversal functions.
>
> In fact I had been looking at some assembler output for files in the
> networking and noticed how all of these list prefetch turds just take
> up I-cache space.
>
> Please kill them off, you have my utmost support :-)
Hmm. Networking tends to use both hlist and regular lists. Does it go
for both for you, or is one or the other more of an issue?
Lius
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