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

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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