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SubjectRe: [patch] Prefetching file_read_actor()
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> Looks like you'll need to do a __get_user() against the page to
> populate the tlb. We're going to need it in the copy_to_user()
> anyway, so the cost is negligible.

Please bury such things in arch/cpu specific routines. Most non intel
processor hardware isnt that broken.
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