linux-kernel - Re: questions about memory hotplug

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Message-ID: <1312247376.15392.454.camel@sli10-conroe>
Date:	Tue, 02 Aug 2011 09:09:36 +0800
From:	Shaohua Li <shaohua.li@...el.com>
To:	Larry Bassel <lbassel@...eaurora.org>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: questions about memory hotplug

On Tue, 2011-08-02 at 01:08 +0800, Larry Bassel wrote:
> 
> In use case #1 yes, maybe not in #2 (we can arrange it to be
> at the end of memory, but then might waste memory as it may
> not be aligned on a SPARSEMEM section boundary and so would
> need to be padded).
then maybe the new migrate type I suggested can help here for the
non-aligned memory. Anyway, let me do an experiment.

Thanks,
Shaohua

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