Re: [PATCH v7 3/5] mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY

[Feng Tang]

On Mon, Aug 09, 2021 at 03:19:32PM +0200, Michal Hocko wrote:
[snip]
> > > Do you think you can provide same helpers for other policies as well?
> > > Maybe we can get rid of some other ifdefery as well.
> > 
> > Sure. I can make separate patch(es) for that.
> > 
> > And you mean helper like mpol_is_bind/default/local/preferred? 
> > 
> > I just run 'git-grep MPOL', and for places using "mode == MPOL_XXX",
> > mostly they are in mempolicy.[ch], the only another place is in
> > shmem.c, do we need to create all the helpers for it and the
> > potential future users? 
> 
> I would just go with those instances which need to ifdef for NUMA.
> Thanks!

Yes, following is a patch to remove one CONFIG_NUMA check, though
an bolder idea to extend the patch by removing the CONFIG_TMPFS
check in the same line.

Thanks,
Feng

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