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Diffstat (limited to 'Documentation/admin-guide/sysctl/kernel.rst')
-rw-r--r-- | Documentation/admin-guide/sysctl/kernel.rst | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 032c7cd3cede..def074807cee 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -831,8 +831,8 @@ printk_ratelimit: ================= Some warning messages are rate limited. printk_ratelimit specifies -the minimum length of time between these messages (in jiffies), by -default we allow one every 5 seconds. +the minimum length of time between these messages (in seconds). +The default value is 5 seconds. A value of 0 will disable rate limiting. @@ -845,6 +845,8 @@ seconds, we do allow a burst of messages to pass through. printk_ratelimit_burst specifies the number of messages we can send before ratelimiting kicks in. +The default value is 10 messages. + printk_devkmsg: =============== @@ -1101,7 +1103,7 @@ During initialization the kernel sets this value such that even if the maximum number of threads is created, the thread structures occupy only a part (1/8th) of the available RAM pages. -The minimum value that can be written to threads-max is 20. +The minimum value that can be written to threads-max is 1. The maximum value that can be written to threads-max is given by the constant FUTEX_TID_MASK (0x3fffffff). @@ -1109,10 +1111,6 @@ constant FUTEX_TID_MASK (0x3fffffff). If a value outside of this range is written to threads-max an error EINVAL occurs. -The value written is checked against the available RAM pages. If the -thread structures would occupy too much (more than 1/8th) of the -available RAM pages threads-max is reduced accordingly. - unknown_nmi_panic: ================== |