printk: declare printk_ratelimit_state in ratelimit.h

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? [[email protected]: remove unneeded ifdef] Signed-off-by: Namhyung Kim <[email protected]> Cc: Ingo Molnar <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
franciscofranco · Oct 26, 2010 · f5d87d8 · f5d87d8
1 parent 674dff6
commit f5d87d8
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diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
@@ -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__)
 

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
@@ -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);