1 files changed, 3 insertions, 0 deletions

diff --git a/mm/mprotect.c b/mm/mprotect.c
index abd645a3b0a0..fded06f923f4 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -21,6 +21,7 @@
 #include <linux/syscalls.h>
 #include <linux/swap.h>
 #include <linux/swapops.h>
+#include <linux/mmu_notifier.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>
@@ -203,10 +204,12 @@ success:
                 dirty_accountable = 1;
         }
 
+        mmu_notifier_invalidate_range_start(mm, start, end);
         if (is_vm_hugetlb_page(vma))
                 hugetlb_change_protection(vma, start, end, vma->vm_page_prot);
         else
                 change_protection(vma, start, end, vma->vm_page_prot, dirty_accountable);
+        mmu_notifier_invalidate_range_end(mm, start, end);
         vm_stat_account(mm, oldflags, vma->vm_file, -nrpages);
         vm_stat_account(mm, newflags, vma->vm_file, nrpages);
         return 0;