From: Christoph Hellwig <hch@xxxxxx> Subject: sparc64: add the missing pgd_page definition sparc64 only had pgd_page_vaddr, but not pgd_page. [hch@xxxxxx: fix sparc64 build] Link: http://lkml.kernel.org/r/20190626131318.GA5101@xxxxxx Link: http://lkml.kernel.org/r/20190625143715.1689-8-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Cc: David Miller <davem@xxxxxxxxxxxxx> Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: James Hogan <jhogan@xxxxxxxxxx> Cc: Jason Gunthorpe <jgg@xxxxxxxxxxxx> Cc: Khalid Aziz <khalid.aziz@xxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Nicholas Piggin <npiggin@xxxxxxxxx> Cc: Paul Burton <paul.burton@xxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Cc: Rich Felker <dalias@xxxxxxxx> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/sparc/include/asm/pgtable_64.h | 3 +++ 1 file changed, 3 insertions(+) --- a/arch/sparc/include/asm/pgtable_64.h~sparc64-add-the-missing-pgd_page-definition +++ a/arch/sparc/include/asm/pgtable_64.h @@ -864,6 +864,9 @@ static inline unsigned long pud_page_vad #define pgd_present(pgd) (pgd_val(pgd) != 0U) #define pgd_clear(pgdp) (pgd_val(*(pgdp)) = 0UL) +/* only used by the stubbed out hugetlb gup code, should never be called */ +#define pgd_page(pgd) NULL + static inline unsigned long pud_large(pud_t pud) { pte_t pte = __pte(pud_val(pud)); _
