Re: mem=16MB laptop testing

[Andrew Morton]

Anton Blanchard <anton@xxxxxxxxx> wrote:
>
>  
> > hrm.  min_free_kbytes is normally 1024.  I'm surprised that the additional
> > 900k made so much difference.  We must be on the hairy edge.
> > 
> > It looks like we need to precalculate/scale min_free_kbytes, yes?
> 
> That would be good for both the low and high end. Id like to see it
> default to something larger on my 16GB+ machines.
> 

How big?

I guess it should be scaled by ZONE_DMA+ZONE_NORMAL, skipping ZONE_HIGHMEM.
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