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[Xen-devel] Re: [PATCH 1/4] mm: Remove dependency on CONFIG_FLATMEM from

To: Daniel Kiper <dkiper@xxxxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH 1/4] mm: Remove dependency on CONFIG_FLATMEM from online_page()
From: David Rientjes <rientjes@xxxxxxxxxx>
Date: Wed, 11 May 2011 15:47:49 -0700 (PDT)
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, andi.kleen@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, fengguang.wu@xxxxxxxxx, wdauchy@xxxxxxxxx
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On Mon, 2 May 2011, Daniel Kiper wrote:

> Memory hotplug code strictly depends on CONFIG_SPARSEMEM.
> It means that code depending on CONFIG_FLATMEM in online_page()
> is never compiled. Remove it because it is not needed anymore.
> 
> Signed-off-by: Daniel Kiper <dkiper@xxxxxxxxxxxx>

The code you're patching depends on CONFIG_MEMORY_HOTPLUG_SPARSE, so this 
is valid.  The changelog should be updated to reflect that, however.

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

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