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?
[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>
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
index 8f69d09..03ff67b 100644
--- a/include/linux/ratelimit.h
+++ b/include/linux/ratelimit.h
@@ -36,6 +36,8 @@
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__)