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xen-devel
[Xen-devel] Re: [PATCH 2/4] mm: Enable set_page_section() only if CONFIG
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To: |
Daniel Kiper <dkiper@xxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 2/4] mm: Enable set_page_section() only if CONFIG_SPARSEMEM and !CONFIG_SPARSEMEM_VMEMMAP |
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From: |
Dave Hansen <dave@xxxxxxxxxxxxxxxxxx> |
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Date: |
Mon, 02 May 2011 15:50:14 -0700 |
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Cc: |
jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, ian.campbell@xxxxxxxxxx, haicheng.li@xxxxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, dan.magenheimer@xxxxxxxxxx, v.tolstov@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, rientjes@xxxxxxxxxx, andi.kleen@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, fengguang.wu@xxxxxxxxx, wdauchy@xxxxxxxxx |
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Mon, 02 May 2011 15:51:06 -0700 |
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<20110502212012.GC4623@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> |
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On Mon, 2011-05-02 at 23:20 +0200, Daniel Kiper wrote:
> set_page_section() is valid only in CONFIG_SPARSEMEM and
> !CONFIG_SPARSEMEM_VMEMMAP context. Move it to proper place
> and amend accordingly functions which are using it.
I guess we've been wasting all that time setting section bits in
page->flags that we'll never use. Looks sane to me.
Acked-by: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
-- Dave
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