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xen-devel
[Xen-devel] Re: [PATCH 1/3] mm: Optimize pfn calculation in online_page(
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To: |
Daniel Kiper <dkiper@xxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 1/3] mm: Optimize pfn calculation in online_page() |
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From: |
Jesper Juhl <jj@xxxxxxxxxxxxx> |
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Date: |
Tue, 29 Mar 2011 00:44:39 +0200 (CEST) |
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Cc: |
jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, ian.campbell@xxxxxxxxxx, haicheng.li@xxxxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, dan.magenheimer@xxxxxxxxxx, v.tolstov@xxxxxxxxx, dave@xxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, rientjes@xxxxxxxxxx, andi.kleen@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, fengguang.wu@xxxxxxxxx, wdauchy@xxxxxxxxx |
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Wed, 06 Apr 2011 18:24:58 -0700 |
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<20110328092310.GB13826@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> |
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Alpine 2.00 (LNX 1167 2008-08-23) |
On Mon, 28 Mar 2011, Daniel Kiper wrote:
> If CONFIG_FLATMEM is enabled pfn is calculated in online_page()
> more than once. It is possible to optimize that and use value
> established at beginning of that function.
>
> Signed-off-by: Daniel Kiper <dkiper@xxxxxxxxxxxx>
This looks sane to me.
Reviewed-by: Jesper Juhl <jj@xxxxxxxxxxxxx>
--
Jesper Juhl <jj@xxxxxxxxxxxxx> http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
Plain text mails only, please.
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