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| author | Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> | 2008-07-29 22:33:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-30 09:41:45 -0700 |
| commit | 641de9d8f505db055d451b50e6e38117f84e79bb (patch) | |
| tree | af9cbd5390321a7f5a6b245215c79289930f41bd /kernel/printk.c | |
| parent | 8f3d137e0d6cd470a4e404cbc67480a0febdb0b1 (diff) | |
| download | lwn-641de9d8f505db055d451b50e6e38117f84e79bb.tar.gz lwn-641de9d8f505db055d451b50e6e38117f84e79bb.zip | |
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.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index a7f7559c5f6c..b51b1567bb55 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); |