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xen-devel
[Xen-devel] Re: [patch 11/21] Xen-paravirt: Add apply_to_page_range() wh
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To: |
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [patch 11/21] Xen-paravirt: Add apply_to_page_range() which applies a function to a pte range. |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Thu, 15 Feb 2007 23:23:35 -0800 |
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Cc: |
Zachary Amsden <zach@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Ian Pratt <ian.pratt@xxxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Chris Wright <chrisw@xxxxxxxxxxxx>, Andi Kleen <ak@xxxxxx>, Christoph Lameter <clameter@xxxxxxx>, Christian Limpach <Christian.Limpach@xxxxxxxxxxxx> |
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Thu, 15 Feb 2007 23:22:50 -0800 |
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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.
J
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