Re: [LSF/MM TOPIC] Page flags, can we free up space ?

[Jerome Glisse]

On Tue, Jan 22, 2019 at 01:44:15PM -0800, Andi Kleen wrote:
> Jerome Glisse <jglisse@xxxxxxxxxx> writes:
> >
> > Right now this is more a temptative ie i do not know if i will succeed,
> > in any case i can report on failure or success and discuss my finding to
> > get people opinions on the matter.
> 
> I would just stop putting node/zone number into the flags. These
> could be all handled with a small perfect hash table, like the original
> x86_64 port did, which should be quite cheap to look up.
> Then there should be enough bits for everyone again.

Definitly something i will look into, i was scare to remove those.

Cheers,
Jérôme