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[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 <mita@miraclelinux.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Akinobu Mita 2006-09-29 02:01:27 -07:00 committed by Linus Torvalds
parent 1a036cdd95
commit 4050914f7c
1 changed files with 3 additions and 2 deletions
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5
drivers/char/tty_io.c
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@ -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;
}