Messages in this thread | | | Date | Tue, 22 Jan 2019 18:52:07 -0500 | From | Jerome Glisse <> | Subject | Re: [LSF/MM TOPIC] Page flags, can we free up space ? |
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On Tue, Jan 22, 2019 at 01:44:15PM -0800, Andi Kleen wrote: > Jerome Glisse <jglisse@redhat.com> 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
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