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authorUwe Kleine-König <Uwe.Kleine-Koenig@digi.com>2008-07-29 22:33:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-30 09:41:45 -0700
commit641de9d8f505db055d451b50e6e38117f84e79bb (patch)
treeaf9cbd5390321a7f5a6b245215c79289930f41bd /kernel/printk.c
parent8f3d137e0d6cd470a4e404cbc67480a0febdb0b1 (diff)
downloadop-kernel-dev-641de9d8f505db055d451b50e6e38117f84e79bb.zip
op-kernel-dev-641de9d8f505db055d451b50e6e38117f84e79bb.tar.gz
printk: fix comment for printk ratelimiting
The comment assumed the burst to be one and the ratelimit used to be named printk_ratelimit_jiffies. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Cc: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/printk.c')
-rw-r--r--kernel/printk.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index a7f7559..b51b156 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1309,14 +1309,14 @@ void tty_write_message(struct tty_struct *tty, char *msg)
#if defined CONFIG_PRINTK
-DEFINE_RATELIMIT_STATE(printk_ratelimit_state, 5 * HZ, 10);
/*
* printk rate limiting, lifted from the networking subsystem.
*
- * This enforces a rate limit: not more than one kernel message
- * every printk_ratelimit_jiffies to make a denial-of-service
- * attack impossible.
+ * This enforces a rate limit: not more than 10 kernel messages
+ * every 5s to make a denial-of-service attack impossible.
*/
+DEFINE_RATELIMIT_STATE(printk_ratelimit_state, 5 * HZ, 10);
+
int printk_ratelimit(void)
{
return __ratelimit(&printk_ratelimit_state);
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