Index: /trunk/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
===================================================================
--- /trunk/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c	(revision 51937)
+++ /trunk/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c	(revision 51938)
@@ -1529,15 +1529,22 @@
 
 #ifdef CONFIG_NUMA_BALANCING
+# if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
+#  ifdef RHEL_RELEASE_CODE
+#   if RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(7, 0)
+#    define VBOX_NUMA_HACK_OLD
+#   endif
+#  endif
+# endif
             if (RT_SUCCESS(rc))
             {
-                /** @todo Ugly hack! But right now we have no other means to disable
-                 *        automatic NUMA page balancing. */
+                /** @todo Ugly hack! But right now we have no other means to
+                 *        disable automatic NUMA page balancing. */
 # ifdef RT_OS_X86
-#  if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
+#  ifdef VBOX_NUMA_HACK_OLD
                 pTask->mm->numa_next_reset = jiffies + 0x7fffffffUL;
 #  endif
                 pTask->mm->numa_next_scan  = jiffies + 0x7fffffffUL;
 # else
-#  if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
+#  ifdef VBOX_NUMA_HACK_OLD
                 pTask->mm->numa_next_reset = jiffies + 0x7fffffffffffffffUL;
 #  endif
@@ -1545,5 +1552,5 @@
 # endif
             }
-#endif
+#endif /* CONFIG_NUMA_BALANCING */
 
             up_write(&pTask->mm->mmap_sem);