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printk: declare printk_ratelimit_state in ratelimit.h

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Adding declaration of printk_ratelimit_state in ratelimit.h removes
potential build breakage and following sparse warning:

 kernel/printk.c:1426:1: warning: symbol 'printk_ratelimit_state' was not declared. Should it be static?

[akpm@linux-foundation.org: remove unneeded ifdef]
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Namhyung Kim 2010-10-26 14:22:49 -07:00 committed by Linus Torvalds
parent 674dff6507
commit f5d87d851d
2 changed files with 2 additions and 2 deletions
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2
include/linux/ratelimit.h
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@ -36,6 +36,8 @@ static inline void ratelimit_state_init(struct ratelimit_state *rs,
rs->begin = 0;
}
extern struct ratelimit_state printk_ratelimit_state;
extern int ___ratelimit(struct ratelimit_state *rs, const char *func);
#define __ratelimit(state) ___ratelimit(state, __func__)

2
kernel/sysctl.c
View File

@ -161,8 +161,6 @@ extern int no_unaligned_warning;
extern int unaligned_dump_stack;
#endif
extern struct ratelimit_state printk_ratelimit_state;
#ifdef CONFIG_PROC_SYSCTL
static int proc_do_cad_pid(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);