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SubjectRe: [patch 20/20] Add apply_to_page_range() which applies a function to a pte range.
Matt Mackall wrote:
> Haven't thought a huge amount about that. Perhaps it's best done with
> the level 3 callback?

Level 2, I think, assuming you count the pte pages as level 1. I think
it can be dealt with, so long as it correctly skips level 1 callbacks
for superpages, and does the test after the level 2 callback has returned.

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