[PATCH 09/21] pidns: Export free_pid_ns

From: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>

There is a least one modular user so export free_pid_ns so modules can
capture and use the pid namespace on the very rare occasion when it
makes sense.

Signed-off-by: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
---
 kernel/pid_namespace.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index b3c7fd5..baa528d 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c

@@ -16,6 +16,7 @@
 #include <linux/slab.h>
 #include <linux/proc_fs.h>
 #include <linux/reboot.h>
+#include <linux/export.h>
 
 #define BITS_PER_PAGE		(PAGE_SIZE*8)
 

@@ -144,6 +145,7 @@ void free_pid_ns(struct kref *kref)
 	if (parent != NULL)
 		put_pid_ns(parent);
 }
+EXPORT_SYMBOL_GPL(free_pid_ns);
 
 void zap_pid_ns_processes(struct pid_namespace *pid_ns)
 {

-- 
1.7.5.4