[PATCH 1/3] arch/powerpc/hugetlb: Use pte_access_permitted for hugetlb access check

[Aneesh Kumar K.V]

No functional change in this patch. This update gup_hugepte to use the
helper. This will help later when we add memory keys.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
---
 arch/powerpc/mm/hugetlbpage.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index a9b9083c5e49..c7e5afe5e118 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -855,9 +855,7 @@ int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr,
 
 	pte = READ_ONCE(*ptep);
 
-	if (!pte_present(pte) || !pte_read(pte))
-		return 0;
-	if (write && !pte_write(pte))
+	if (!pte_access_permitted(pte, write))
 		return 0;
 
 	/* hugepages are never "special" */
-- 
2.14.3