1 files changed, 4 insertions, 2 deletions

diff --git a/mm/nommu.c b/mm/nommu.c
index a8d17521624a..17773862619b 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1921,9 +1921,11 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, in
 
                 /* only read or write mappings where it is permitted */
                 if (write && vma->vm_flags & VM_MAYWRITE)
-                        len -= copy_to_user((void *) addr, buf, len);
+                        copy_to_user_page(vma, NULL, addr,
+                                         (void *) addr, buf, len);
                 else if (!write && vma->vm_flags & VM_MAYREAD)
-                        len -= copy_from_user(buf, (void *) addr, len);
+                        copy_from_user_page(vma, NULL, addr,
+                                            buf, (void *) addr, len);
                 else
                         len = 0;
         } else {