With radix there is no mmu cache. Hence we don't need to do much
in update_mmu_cache.
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
arch/powerpc/mm/mem.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index f980da6d7569..3164ce720b3e 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -499,6 +499,8 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned
long address,
* 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)
--
2.5.0
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