Re: [PATCH 03/13] mm: Add generic p?d_large() macros

[Peter Zijlstra]

On Mon, Feb 18, 2019 at 11:14:23AM +0000, Mark Rutland wrote:
> > +#ifndef pgd_large
> > +#define pgd_large(x)0
> > +#endif
> > +#ifndef pud_large
> > +#define pud_large(x)0
> > +#endif
> > +#ifndef pmd_large
> > +#define pmd_large(x)0
> > +#endif
> 
> It might be worth a comment defining the semantics of these, e.g. how
> they differ from p?d_huge() and p?d_trans_huge().

Yes; I took it to mean any large page mapping, so it would explicitly
include huge and thp.