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From: Dave Young on 21 Feb 2010 09:30
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(a)gmail.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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