--- /run/shm/2/src/vboxhost/vboxdrv/r0drv/linux/memobj-r0drv-linux.c
+++ /run/shm/t/virtualbox-5.2_5.2.26-128414~Ubuntu~trusty_amd64/usr/share/virtualbox/src/vboxhost/vboxdrv/r0drv/linux/memobj-r0drv-linux.c
@@ -1,4 +1,4 @@
-/* $Id: memobj-r0drv-linux.c 129042 2019-02-26 07:06:14Z michael $ */
+/* $Id: memobj-r0drv-linux.c 125570 2018-10-08 12:34:55Z michael $ */
 /** @file
  * IPRT - Ring-0 Memory Objects, Linux.
  */
@@ -1113,9 +1113,7 @@
                                 pTask->mm,              /* Whose pages. */
                                 R3Ptr,                  /* Where from. */
                                 cPages,                 /* How many pages. */
-/* The get_user_pages API change was back-ported to 4.4.168. */
-# if    LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 168) \
-      && LINUX_VERSION_CODE <  KERNEL_VERSION(4, 5, 0)
+# if GET_USER_PAGES_API >= KERNEL_VERSION(4, 9, 0)
                                 fWrite ? FOLL_WRITE |   /* Write to memory. */
                                          FOLL_FORCE     /* force write access. */
                                        : 0,             /* Write to memory. */