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Date: Thu, 26 Sep 2013 12:08:42 -0400
From: Tejun Heo <tj@kernel.org>
To: Zhang Yanfei <zhangyanfei.yes@gmail.com>
Cc: "Rafael J . Wysocki" <rjw@sisk.pl>, lenb@kernel.org,
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Subject: Re: [PATCH v5 4/6] x86/mem-hotplug: Support initialize page tables
 in bottom-up
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On Fri, Sep 27, 2013 at 12:03:01AM +0800, Zhang Yanfei wrote:
> Ah, I see. You are saying another issue. He is worrying that if we use
> kexec to load the kernel high, say we have 16GB, we put the kernel in
> 15.99GB (just an example), so we only have less than 100MB above the kernel.
> 
> But as I've explained to him, in almost all the cases, if we want our
> memory hotplug work, we don't do that. And yeah, assume we have this
> problem, it'd fall back to top down and that return backs to patch 2,
> we will trigger the WARN_ONCE, and the admin will know what has happened.

Alright,

 Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

-- 
tejun
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