From: Adrian Bunk <bunk@kernel.org>

ptrace_untrace() can now become static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/ptrace.h |    1 -
 kernel/ptrace.c        |    2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff -puN include/linux/ptrace.h~make-ptrace_untrace-static include/linux/ptrace.h
--- a/include/linux/ptrace.h~make-ptrace_untrace-static
+++ a/include/linux/ptrace.h
@@ -94,7 +94,6 @@ extern void ptrace_notify(int exit_code)
 extern void __ptrace_link(struct task_struct *child,
 			  struct task_struct *new_parent);
 extern void __ptrace_unlink(struct task_struct *child);
-extern void ptrace_untrace(struct task_struct *child);
 #define PTRACE_MODE_READ   1
 #define PTRACE_MODE_ATTACH 2
 /* Returns 0 on success, -errno on denial. */
diff -puN kernel/ptrace.c~make-ptrace_untrace-static kernel/ptrace.c
--- a/kernel/ptrace.c~make-ptrace_untrace-static
+++ a/kernel/ptrace.c
@@ -45,7 +45,7 @@ void __ptrace_link(struct task_struct *c
  * TASK_TRACED, resume it now.
  * Requires that irqs be disabled.
  */
-void ptrace_untrace(struct task_struct *child)
+static void ptrace_untrace(struct task_struct *child)
 {
 	spin_lock(&child->sighand->siglock);
 	if (task_is_traced(child)) {
_