[PATCH] powerpc/mm: use the correct pointer when setting a 2M pte

[Reza Arbab]

When setting a 2M pte, radix__map_kernel_page() is using the address

        ptep = (pte_t *)pudp;

Fix this conversion to use pmdp instead. Use pmdp_ptep() to do this
instead of casting the pointer.

Signed-off-by: Reza Arbab <ar...@linux.vnet.ibm.com>
---
 arch/powerpc/mm/pgtable-radix.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index cfa53cc..34f1a0d 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -65,7 +65,7 @@ int radix__map_kernel_page(unsigned long ea, unsigned long pa,
                if (!pmdp)
                        return -ENOMEM;
                if (map_page_size == PMD_SIZE) {
-                       ptep = (pte_t *)pudp;
+                       ptep = pmdp_ptep(pmdp);
                        goto set_the_pte;
                }
                ptep = pte_alloc_kernel(pmdp, ea);
@@ -90,7 +90,7 @@ int radix__map_kernel_page(unsigned long ea, unsigned long pa,
                }
                pmdp = pmd_offset(pudp, ea);
                if (map_page_size == PMD_SIZE) {
-                       ptep = (pte_t *)pudp;
+                       ptep = pmdp_ptep(pmdp);
                        goto set_the_pte;
                }
                if (!pmd_present(*pmdp)) {
-- 
1.8.3.1