2016-04-14  Florian Weimer  <fweimer@redhat.com>

	* malloc/arena.c (__malloc_fork_lock_parent)
	(__malloc_fork_unlock_parent, __malloc_fork_unlock_child): Add
	internal_function attribute.

Index: glibc-2.23/malloc/arena.c
===================================================================
--- glibc-2.23.orig/malloc/arena.c
+++ glibc-2.23/malloc/arena.c
@@ -139,6 +139,7 @@ int __malloc_initialized = -1;
    subsystem.  */
 
 void
+internal_function
 __malloc_fork_lock_parent (void)
 {
   if (__malloc_initialized < 1)
@@ -159,6 +160,7 @@ __malloc_fork_lock_parent (void)
 }
 
 void
+internal_function
 __malloc_fork_unlock_parent (void)
 {
   if (__malloc_initialized < 1)
@@ -175,6 +177,7 @@ __malloc_fork_unlock_parent (void)
 }
 
 void
+internal_function
 __malloc_fork_unlock_child (void)
 {
   if (__malloc_initialized < 1)