Merge branch 'master' into gfs2

1 files changed, 2 insertions, 0 deletions

diff --git a/mm/mprotect.c b/mm/mprotect.c
index 955f9d0e38aa..3b8f3c0c63f3 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -34,6 +34,7 @@ static void change_pte_range(struct mm_struct *mm, pmd_t *pmd,
         spinlock_t *ptl;
 
         pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
+        arch_enter_lazy_mmu_mode();
         do {
                 oldpte = *pte;
                 if (pte_present(oldpte)) {
@@ -70,6 +71,7 @@ static void change_pte_range(struct mm_struct *mm, pmd_t *pmd,
                 }
 
         } while (pte++, addr += PAGE_SIZE, addr != end);
+        arch_leave_lazy_mmu_mode();
         pte_unmap_unlock(pte - 1, ptl);
 }