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

From: Jan Engelhardt
Date: Mon Jun 11 2007 - 16:44:38 EST



On Jun 11 2007 12:01, H. Peter Anvin wrote:
>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?
>
>Does current kernels work at all on a 5 MB machine?
>
>(I used Linux on a 5 MB machine many years ago, but modern kernels are a
>different issue...)

Yes, I ran an unmodified 2.6.13 with a minimal but somewhat minimal
userspace (sash, glibc) on an fpu-less 386.
http://jengelh.hopto.org/GFX/mach/386sx.jpg
http://jengelh.hopto.org/GFX/mach/proc386.jpg
(yay, 3.09 bogomips and a totally incapable processor :p)
Have not tried more recent kernels yet though.


Jan
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