On Mon, 9 Apr 2018, Christoph Hellwig wrote:
> > -#ifdef __HAVE_ARCH_PTE_SPECIAL
> > +#ifdef CONFIG_ARCH_HAS_PTE_SPECIAL
> > # define HAVE_PTE_SPECIAL 1
> > #else
> > # define HAVE_PTE_SPECIAL 0
> I'd say kill this odd indirection and just use the
> CONFIG_ARCH_HAS_PTE_SPECIAL symbol directly.
Agree, and I think it would be easier to audit/review if patches 1 and 3
were folded together to see the relationship between the newly added
selects and what #define's it is replacing. Otherwise, looks good!