linux-kernel - Re: [PATCH 1/4] mm: Remove dependency on CONFIG_FLATMEM from online

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Message-ID: <alpine.DEB.2.00.1105111547160.24003@chino.kir.corp.google.com>
Date:	Wed, 11 May 2011 15:47:49 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Daniel Kiper <dkiper@...-space.pl>
cc:	ian.campbell@...rix.com, akpm@...ux-foundation.org,
	andi.kleen@...el.com, haicheng.li@...ux.intel.com,
	fengguang.wu@...el.com, jeremy@...p.org, konrad.wilk@...cle.com,
	dan.magenheimer@...cle.com, v.tolstov@...fip.ru, pasik@....fi,
	dave@...ux.vnet.ibm.com, wdauchy@...il.com,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: 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@...-space.pl>

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@...gle.com>
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