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Message-Id: <1154975968.5790.16.camel@keithlap>
Date: Mon, 07 Aug 2006 11:39:27 -0700
From: keith mannthey <kmannth@...ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: lkml <linux-kernel@...r.kernel.org>, andrew <akpm@...l.org>,
discuss <discuss@...-64.org>, Andi Kleen <ak@...e.de>,
lhms-devel <lhms-devel@...ts.sourceforge.net>
Subject: Re: [PATCH 1/10] hot-add-mem x86_64: acpi motherboard fix
On Sat, 2006-08-05 at 14:51 +0900, KAMEZAWA Hiroyuki wrote:
> On Fri, 4 Aug 2006 07:13:51 -0600
> Keith Mannthey <kmannth@...ibm.com> wrote:
> > I have worked to integrate the feedback I recived on the last round of patches
> > and welcome more ideas/advice. Thanks to everyone who has provied input on
> > these patches already.
> >
> Just from review...
>
> If new zone , which was empty at boot, are added into the system.
> build_all_zonelists() has to be called. (see online_pages() in memory_hotplug.c)
> it looks x86_64's __add_pages() doesn't calles it.
With RESERVE there are not empty zones. All zones (including add-areas)
are setup during boot and hot add areas reserved in the bootmem
allocator.
Zones don't change size there is no adding to the zone just on-lining on
pages at are already present in the zone.
--
keith mannthey <kmannth@...ibm.com>
Linux Technology Center IBM
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