[PATCH -mm 04/17] sysctl extern cleanup - pid

[PATCH -mm 04/17] sysctl extern cleanup - pid

[Dave Young]

Extern declarations in sysctl.c should be move to their own head file,
and then include them in relavant .c files.

Move pid/pid_max_min/pid_max_max extern declarations to linux/pid.h

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
---
 include/linux/pid.h |    4 ++++
 kernel/sysctl.c     |    3 +--
 2 files changed, 5 insertions(+), 2 deletions(-)

--- linux-2.6.32.orig/include/linux/pid.h	2010-02-21 09:35:58.494024120 +0800
+++ linux-2.6.32/include/linux/pid.h	2010-02-21 09:47:29.753122891 +0800
@@ -3,6 +3,10 @@
 
 #include <linux/rcupdate.h>
 
+/* for sysctl */
+extern int pid_max;
+extern int pid_max_min, pid_max_max;
+
 enum pid_type
 {
 	PIDTYPE_PID,
--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-21 09:44:39.479806692 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-21 09:48:06.843951983 +0800
@@ -56,6 +56,7 @@
 #include <linux/rcustring.h>
 #include <linux/signal.h>
 #include <linux/binfmts.h>
+#include <linux/pid.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -71,9 +72,7 @@
 
 /* External variables not in a header file. */
 extern int max_threads;
-extern int pid_max;
 extern int min_free_kbytes;
-extern int pid_max_min, pid_max_max;
 extern int compat_log;
 extern int latencytop_enabled;
 extern int sysctl_nr_open_min, sysctl_nr_open_max;