From 4050914f7c2665736a82265a029466071a90094e Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Fri, 29 Sep 2006 02:01:27 -0700 Subject: [PATCH] [PATCH] rate limiting for the ldisc open failure messages This patch limits the messages when ldisc open faulures happen. It happens under memory pressure. Signed-off-by: Akinobu Mita Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 635437319778..333741770f1e 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -2065,8 +2065,9 @@ fail_no_mem: /* call the tty release_mem routine to clean out this slot */ release_mem_out: - printk(KERN_INFO "init_dev: ldisc open failed, " - "clearing slot %d\n", idx); + if (printk_ratelimit()) + printk(KERN_INFO "init_dev: ldisc open failed, " + "clearing slot %d\n", idx); release_mem(tty, idx); goto end_init; }