linux-kernel - [PATCH 05/18] sysctl extern cleanup

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Date:	Sat, 20 Feb 2010 22:11:33 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	James Morris <jmorris@...ei.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 05/18] sysctl extern cleanup - pid

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@...il.com>
---
 include/linux/pid.h |    5 +++++
 kernel/sysctl.c     |    3 +--
 2 files changed, 6 insertions(+), 2 deletions(-)

--- linux-2.6.32.orig/include/linux/pid.h	2010-02-12 13:14:44.865985182 +0800
+++ linux-2.6.32/include/linux/pid.h	2010-02-12 13:16:24.436926508 +0800
@@ -3,6 +3,11 @@
 
 #include <linux/rcupdate.h>
 
+#ifdef CONFIG_SYSCTL
+extern int pid_max;
+extern int pid_max_min, pid_max_max;
+#endif
+
 enum pid_type
 {
 	PIDTYPE_PID,
--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-12 13:13:47.572658484 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-12 13:16:53.471807743 +0800
@@ -57,6 +57,7 @@
 #include <linux/signal.h>
 #include <linux/threads.h>
 #include <linux/binfmts.h>
+#include <linux/pid.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -71,9 +72,7 @@
 #if defined(CONFIG_SYSCTL)
 
 /* External variables not in a header file. */
-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;
--
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