Re: [2.6.20][PATCH] fix mempolicy error check on a system with memory-less-node

KAMEZAWA Hiroyuki
2007-02-08T00:38:39Z

On Wed, 7 Feb 2007 09:43:44 -0800
Andrew Morton <akpm@linux-foundation.org> wrote:

> > > and to
> > > accurately present the machine's topology to the user without us having to
> > > go adding falsehoods like this?
> >
> > a node is a piece of memory. Without memory it doesn't make sense.
>
> Who said? I can pick up a piece of circuitry which has four CPUs and no
> RAM, wave it about then stick it in a computer. The kernel is just wrong,
> surely?
>
As far as I remember, this was the first e-mail which tells me that there are
- cpu only node
- device only node
- memory only node
during node-hot-plug discussion.

http://www.gelato.unsw.edu.au/archives/linux-ia64/0405/9679.html

Thanks,
-Kame