diff options
Diffstat (limited to 'kernel/printk.c')
-rw-r--r-- | kernel/printk.c | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index bdd4ea8c3f2b..d3f9c0f788bf 100644 --- a/kernel/printk.c +++ b/kernel/printk.c | |||
@@ -1287,31 +1287,7 @@ void tty_write_message(struct tty_struct *tty, char *msg) | |||
1287 | */ | 1287 | */ |
1288 | int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst) | 1288 | int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst) |
1289 | { | 1289 | { |
1290 | static DEFINE_SPINLOCK(ratelimit_lock); | 1290 | return __ratelimit(ratelimit_jiffies, ratelimit_burst); |
1291 | static unsigned toks = 10 * 5 * HZ; | ||
1292 | static unsigned long last_msg; | ||
1293 | static int missed; | ||
1294 | unsigned long flags; | ||
1295 | unsigned long now = jiffies; | ||
1296 | |||
1297 | spin_lock_irqsave(&ratelimit_lock, flags); | ||
1298 | toks += now - last_msg; | ||
1299 | last_msg = now; | ||
1300 | if (toks > (ratelimit_burst * ratelimit_jiffies)) | ||
1301 | toks = ratelimit_burst * ratelimit_jiffies; | ||
1302 | if (toks >= ratelimit_jiffies) { | ||
1303 | int lost = missed; | ||
1304 | |||
1305 | missed = 0; | ||
1306 | toks -= ratelimit_jiffies; | ||
1307 | spin_unlock_irqrestore(&ratelimit_lock, flags); | ||
1308 | if (lost) | ||
1309 | printk(KERN_WARNING "printk: %d messages suppressed.\n", lost); | ||
1310 | return 1; | ||
1311 | } | ||
1312 | missed++; | ||
1313 | spin_unlock_irqrestore(&ratelimit_lock, flags); | ||
1314 | return 0; | ||
1315 | } | 1291 | } |
1316 | EXPORT_SYMBOL(__printk_ratelimit); | 1292 | EXPORT_SYMBOL(__printk_ratelimit); |
1317 | 1293 | ||