commit 237f3f9f43ecf4e8233836f16b0288ec6988414f

Author: David Smith <dsmith@redhat.com>

Date:   Thu Mar 2 11:14:47 2017 -0600

    Update lookup_bad_addr() for platforms where user_addr_max() doesn't exist.

    * runtime/linux/addr-map.c (lookup_bad_addr): Handle platforms (like

      s390x) where in_task() exists, but user_addr_max() doesn't.

diff --git a/runtime/linux/addr-map.c b/runtime/linux/addr-map.c

index b1b9bb0..c868604 100644

--- a/runtime/linux/addr-map.c

+++ b/runtime/linux/addr-map.c

@@ -53,7 +53,11 @@ lookup_bad_addr(const int type, const unsigned long addr, const size_t size)

 #else

   if (size == 0 || ULONG_MAX - addr < size - 1

       || (in_task() && !access_ok(type, (void *)addr, size))

-      || (!in_task() && ((user_addr_max() - size) < addr)))

+      || (!in_task()

+#if defined(user_addr_max)

+	  && ((user_addr_max() - size) < addr)

+#endif

+	      ))

     return 1;

 #endif