linux-kernel - [PATCH -mm 05/17] sysctl extern cleanup

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Date:	Sun, 21 Feb 2010 22:23:25 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Andi Kleen <ak@...ux.intel.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Nick Piggin <npiggin@...e.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	James Morris <jmorris@...ei.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, David Rientjes <rientjes@...gle.com>
Subject: [PATCH -mm 05/17] sysctl extern cleanup - mm

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

Move min_free_kbytes extern declaration to linux/mmzone.h

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

--- linux-2.6.32.orig/include/linux/mmzone.h	2010-02-21 09:50:34.007270577 +0800
+++ linux-2.6.32/include/linux/mmzone.h	2010-02-21 09:52:21.259760505 +0800
@@ -744,6 +744,7 @@ static inline int is_dma(struct zone *zo
 struct ctl_table;
 int min_free_kbytes_sysctl_handler(struct ctl_table *, int,
 					void __user *, size_t *, loff_t *);
+extern int min_free_kbytes; /* for sysctl */
 extern int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1];
 int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int,
 					void __user *, size_t *, loff_t *);
--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-21 09:48:06.843951983 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-21 09:52:58.139756932 +0800
@@ -72,7 +72,6 @@
 
 /* External variables not in a header file. */
 extern int max_threads;
-extern int min_free_kbytes;
 extern int compat_log;
 extern int latencytop_enabled;
 extern int sysctl_nr_open_min, sysctl_nr_open_max;
--
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