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

Andrew Morton wrote:
> I guess your pte-at-a-time walker could be quite simply implemented underneath
> the smaps pmd-at-a-time walker.

Yes, converting should be pretty simple.  There aren't many users in
Xen, but they are moderately performance critical (fork, exec and exit),
so using batching would be good.


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