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Hugh Dickins authored
zap_pte_range already avoids wasting time to mark_page_accessed on anon pages: it can also skip anon set_page_dirty - the page only needs to be marked dirty if shared with another mm, but that will say pte_dirty too. Signed-off-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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