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Date:	Thu, 03 Apr 2008 18:22:38 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Yasunori Goto <y-goto@...fujitsu.com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Christoph Lameter <clameter@....com>
Subject: Re: [PATCH 4 of 6] hotplug-memory: use common online_page


On Thu, 2008-04-03 at 18:11 -0700, Jeremy Fitzhardinge wrote:
> Dave Hansen wrote:
> > I guess we could just make the copies conditional on CONFIG_HIGHMEM and
> > define them both next to each other.  It's really a highmem thing more
> > than a per-arch thing.
> 
> Sounds good to me.  On that subject, how different are the various 
> arch_add_memory() functions really?  There seems to be a lot of common 
> stuff in there.

Not to different last I looked.  But, they're small enough (like
online_page()) that we didn't really care.  We waited for someone like
you to come along and care enough to fix it up. :)

-- Dave

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