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Date: Fri, 21 Jun 2013 11:44:22 -0700
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Subject: Re: [RFC 0/2] Delay initializing of large sections of memory
From: Yinghai Lu <yinghai@kernel.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Greg KH <gregkh@linuxfoundation.org>, Nathan Zimmer <nzimmer@sgi.com>,
        Robin Holt <holt@sgi.com>, Mike Travis <travis@sgi.com>,
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On Fri, Jun 21, 2013 at 10:03 AM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 06/21/2013 09:51 AM, Greg KH wrote:
>
> I suspect the cutoff for this should be a lot lower than 8 TB even, more
> like 128 GB or so.  The only concern is to not set the cutoff so low
> that we can end up running out of memory or with suboptimal NUMA
> placement just because of this.

I would suggest another way:
only boot the system with boot node (include cpu, ram and pci root buses).
then after boot, could add other nodes.

or something like pxm_mask or node_mask to select boot nodes.

Thanks

Yinghai