[RFC PATCH] mm: z3fold: rename CONFIG_Z3FOLD to CONFIG_Z3FOLD_DEPRECATED

[Christoph Hellwig]

On Fri, Jan 12, 2024 at 04:38:30PM -0800, Nhat Pham wrote:
> >
> > I thought deprecating z3fold is the low hanging fruit. Then, once we
> > can sort out the MMU dependency in zsmalloc, we can go after zbud as
> > well.
> 
> Makes sense to me. Should we do the same thing to zbud? We probably
> have even less of a case for it, no?

Is there any user visible effect of switching the allocator?  If not it
seems a bit pointless to deprecate them vs just removing them (or maybe
making z3fold depend on !MMU for now).