Re: [PATCH v3 0/5] add persistent huge zero folio support

[David Hildenbrand]

On 11.08.25 12:17, Kiryl Shutsemau wrote:
> On Mon, Aug 11, 2025 at 11:09:24AM +0100, Lorenzo Stoakes wrote:
> > On Mon, Aug 11, 2025 at 11:07:48AM +0100, Kiryl Shutsemau wrote:
> > > Well, my worry is that 2M can be a high tax for smaller machines.
> > > Compile-time might be cleaner, but it has downsides.
> > >
> > > It is also not clear if these users actually need physical HZP or virtual
> > > is enough. Virtual is cheap.
> >
> > The kernel config flag (default =N) literally says don't use unless you
> > have plenty of memory :)
> >
> > So this isn't an issue.
>
> Distros use one-config-fits-all approach. Default N doesn't help
> anything.

You'd probably want a way to say "use the persistent huge zero folio if 
you machine has more than X Gigs". That's all reasonable stuff that can 
be had on top of this series.

--
Cheers,

David / dhildenb