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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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