linux-kernel - [PATCH 1/3] ratelimit: annotate __

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Date:	Wed, 17 Mar 2010 10:58:42 +0800
From:	Yong Zhang <yong.zhang@...driver.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu
Subject: [PATCH 1/3] ratelimit: annotate ___ratelimit()

Especially to prevent from wrong using of the return value.

Signed-off-by: Yong Zhang <yong.zhang@...driver.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Dave Young <hidave.darkstar@...il.com>
---
 lib/ratelimit.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/ratelimit.c b/lib/ratelimit.c
index 09f5ce1..29a10b3 100644
--- a/lib/ratelimit.c
+++ b/lib/ratelimit.c
@@ -16,9 +16,14 @@
 /*
  * __ratelimit - rate limiting
  * @rs: ratelimit_state data
+ * @func: name of calling function
  *
- * This enforces a rate limit: not more than @rs->ratelimit_burst callbacks
- * in every @rs->ratelimit_jiffies
+ * This enforces a rate limit: not more than @rs->burst callbacks
+ * in every @rs->interval
+ *
+ * RETURNS:
+ * 0 means callbacks will be suppuressed.
+ * 1 means go ahead and do it.
  */
 int ___ratelimit(struct ratelimit_state *rs, const char *func)
 {
-- 
1.6.3.3

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