Re: [patch 11/21] Xen-paravirt: Add apply_to_page_range() which appliesa function to a pte range.

From: Jeremy Fitzhardinge
Date: Fri Feb 16 2007 - 02:07:02 EST

Andrew Morton wrote:
> On Thu, 15 Feb 2007 18:25:00 -0800 Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
>> Add a new mm function apply_to_page_range()[...]
> There was some discussion about this sort of thing last week. The
> consensus was that it's better to run the callback against a whole pmd's
> worth of ptes, mainly to amortise the callback's cost (a lot).
> It was implemented in

Yes I was looking at that and wondering what the upshot would be. I'll
have a closer look, but it seems like it should be usable.


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