Re: [PATCH] move the kernel to 16MB for NUMA-Q

From: Dave Jones
Date: Mon Jun 11 2007 - 14:46:50 EST

On Mon, Jun 11, 2007 at 08:19:57PM +0200, Jan Engelhardt wrote:
> On Jun 11 2007 10:36, H. Peter Anvin wrote:
> >
> >Picking the 16 MB base is a bit obnoxious on small-memory machines, 4 MB
> >would probably be a more reasonable base. Of course, 16 MB would avoid
> > the issue of the handful of machines with memory holes at 15-16 MB.
> How will this work at all with a 5 MB machine?

Unless you're running with a bunch of CONFIG_EMBEDDED options enabled,
and a seriously pared down (almost to the point of uselessness)
userspace, you may have already lost.

Do such beasts even exist ? My memories of low-memory x86en I had
only allowed power of 2 memory sizes.


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