RE: [RFC 1/3] /dev/low_mem_notify

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> -----Original Message-----
> From: penberg@xxxxxxxxx [mailto:penberg@xxxxxxxxx] On Behalf Of ext
> Pekka Enberg
> Sent: 18 January, 2012 12:40
...
> > Not worse than %%. For example you had 10% free memory threshold for
> > 512 MB RAM meaning 51.2 MB in absolute number.  Then hotplug turned
> > off 256 MB, you for sure must update threshold for %% because these
> > 10% for 25.6 MB most likely will be not suitable for different operating
> mode.
> > Using pages makes calculations must simpler.
> 
> Right. Does threshold in percentages make any sense then? Is it enough to
> use number of free pages?

Paul Mundt noticed that and we stopped use percentage in 2006 for n770 update. 
He was right.
Percents are useless and do not correlate with other kernel APIs like sysinfo().

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