linux-kernel - [PATCH 01/18] sysctl extern cleanup

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Message-ID: <20100220140459.GA3005@darkstar>
Date:	Sat, 20 Feb 2010 22:05:19 +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 01/18] sysctl extern cleanup - C_A_D

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

Move C_A_D extern variable declaration to linux/reboot.h

Signed-off-by: Dave Young <hidave.darkstar@...il.com>
---
 include/linux/reboot.h |    3 +++
 kernel/sysctl.c        |    1 -
 2 files changed, 3 insertions(+), 1 deletion(-)

--- linux-2.6.32.orig/include/linux/reboot.h	2010-02-20 14:02:29.541591107 +0800
+++ linux-2.6.32/include/linux/reboot.h	2010-02-20 14:04:53.261578954 +0800
@@ -64,6 +64,9 @@ extern void kernel_restart(char *cmd);
 extern void kernel_halt(void);
 extern void kernel_power_off(void);
 
+#ifdef CONFIG_SYSCTL
+extern int C_A_D;
+#endif
 void ctrl_alt_del(void);
 
 #define POWEROFF_CMD_PATH_LEN	256
--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-20 14:02:29.528258054 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-20 14:03:41.452418032 +0800
@@ -68,7 +68,6 @@
 #if defined(CONFIG_SYSCTL)
 
 /* External variables not in a header file. */
-extern int C_A_D;
 extern int print_fatal_signals;
 extern int max_threads;
 extern int core_uses_pid;
--
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