[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>
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1 changed files with 3 additions and 2 deletions
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@ -2065,8 +2065,9 @@ static int init_dev(struct tty_driver *driver, int idx,
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/* call the tty release_mem routine to clean out this slot */
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release_mem_out:
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printk(KERN_INFO "init_dev: ldisc open failed, "
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"clearing slot %d\n", idx);
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if (printk_ratelimit())
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printk(KERN_INFO "init_dev: ldisc open failed, "
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"clearing slot %d\n", idx);
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release_mem(tty, idx);
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goto end_init;
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}
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