Subject: Re: [PATCH V2 29/68] powerpc/mm: Move hugetlb and THP related pmd accessors to pgtable.h

From: Michael Ellerman <[email-masked]>
Date: Thu, 21 Apr 2016 19:59:50 +1000

On Thu, 2016-04-21 at 19:53 +1000, Balbir Singh wrote:
> On 09/04/16 16:13, Aneesh Kumar K.V wrote:
> > +static inline int pgd_huge(pgd_t pgd)
> > +{
> > +	/*
> > +	 * leaf pte for huge page
> > +	 */
> > +	return !!(pgd_val(pgd) & _PAGE_PTE);
> > +}
> > +#define pgd_huge pgd_huge
> > +
> 
> ??

#ifndef pgd_huge
#define pgd_huge(x)	0
#endif

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/linux/hugetlb.h#n185

cheers