powerpc/radix: Update MMU cache
With radix there is no MMU cache. Hence we don't need to do anything in
update_mmu_cache().
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index ac79dbd..8967788 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -499,6 +499,8 @@
* called with either mm->page_table_lock held or ptl lock held
*/
unsigned long access = 0, trap;
+ if (radix_enabled())
+ return;
/* We only want HPTEs for linux PTEs that have _PAGE_ACCESSED set */
if (!pte_young(*ptep) || address >= TASK_SIZE)