Re: [patch] Prefetching file_read_actor()

From: Alan Cox (
Date: Tue Jan 01 2002 - 10:26:12 EST

> I've come up with a preload_cache() function (for want of a better name)
> and plonked that in prefetch.h for now. Having this #define to nothing
> on other arch's would mean we could use this in places like we currently
> do prefetch(). I'm still not happy with it, but its cleaner than my
> original hack.

copy_*_user_prefetched() is probably the one you need. Then you can prefetch
first for PIII, prefetch as copying for athlon etc. It will also provide
the needed hints about which copies are wins.
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