"Aneesh Kumar K.V" <aneesh.ku...@linux.vnet.ibm.com> writes:
> Add follow_huge_pd implementation for ppc64. > > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> > --- > arch/powerpc/mm/hugetlbpage.c | 42 ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 42 insertions(+) > > diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c > index 80f6d2ed551a..9d66d4f810aa 100644 > --- a/arch/powerpc/mm/hugetlbpage.c > +++ b/arch/powerpc/mm/hugetlbpage.c > @@ -17,6 +17,8 @@ > #include <linux/memblock.h> > #include <linux/bootmem.h> > #include <linux/moduleparam.h> > +#include <linux/swap.h> > +#include <linux/swapops.h> > #include <asm/pgtable.h> > #include <asm/pgalloc.h> > #include <asm/tlb.h> > @@ -618,6 +620,10 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, > } > > /* > + * 64 bit book3s use generic follow_page_mask > + */ > +#ifndef CONFIG_PPC_BOOK3S_64 I think it's always easier to follow if you use: #ifdef x ... #else /* !x */ ... #endif ie. in this case put the Book3S 64 case first and the existing code in the #else. cheers
