linux-kernel - Re: [PATCH 3 of 4] sparsemem: reduce i386 PAE section size

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Message-ID: <47EC8DD0.4090401@goop.org>
Date:	Thu, 27 Mar 2008 23:18:56 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Christoph Lameter <clameter@....com>
CC:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Yasunori Goto <y-goto@...fujitsu.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 3 of 4] sparsemem: reduce i386 PAE section size

Christoph Lameter wrote:
> Only works on i386 if you either use sparsemem / vmemmap or not sparsemem 
> though. Is there any need for the other sparsemem memory models? Or could 
> we disable them like on x86_64?

Probably, but I don't know what the tradeoffs are.  All I want is 
hotplug memory.

    J

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