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Commit 641de9d8 authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Linus Torvalds
Browse files

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: default avatarUwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Cc: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8f3d137e

kernel/printk.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -1309,14 +1309,14 @@ void tty_write_message(struct tty_struct *tty, char *msg) 




#if defined CONFIG_PRINTK

#if defined CONFIG_PRINTK





DEFINE_RATELIMIT_STATE(printk_ratelimit_state, 5 * HZ, 10);

/*

/*

 * printk rate limiting, lifted from the networking subsystem.

 * printk rate limiting, lifted from the networking subsystem.

 *

 *

 * This enforces a rate limit: not more than one kernel message

 * This enforces a rate limit: not more than 10 kernel messages

 * every printk_ratelimit_jiffies to make a denial-of-service

 * every 5s to make a denial-of-service attack impossible.

 * attack impossible.

 */

 */

DEFINE_RATELIMIT_STATE(printk_ratelimit_state, 5 * HZ, 10);



int printk_ratelimit(void)

int printk_ratelimit(void)

{

{

	return __ratelimit(&printk_ratelimit_state);

	return __ratelimit(&printk_ratelimit_state);