What is the significance of default_console_loglevel in Linux? Commonly I see it described as the default value of console_loglevel. However, what that means I haven't seen explained anywhere.

Besides, on my as well as most ohter systems I have checked, the values of four log variables are

 [root@localhost printk]# cat /proc/sys/kernel/printk
4   4   1   7

Since I haven't changed anything the console_loglevel(4) should have been equal to default_consolle loglevel(7), which it isn't. So what exactly is the use/significance of default_console_loglevel?

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