diff options
Diffstat (limited to 'Documentation/admin-guide/sysctl')
| -rw-r--r-- | Documentation/admin-guide/sysctl/kernel.rst | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 99569a26f93e..0ae52156db75 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -410,6 +410,15 @@ to false. Generally used with the `kexec_load_disabled`_ toggle. msgmax, msgmnb, and msgmni ========================== +``msgmax`` is the maximum size of an IPC message, in bytes. 8192 by +default (``MSGMAX``). + +``msgmnb`` is the maximum size of an IPC queue, in bytes. 16384 by +default (``MSGMNB``). + +``msgmni`` is the maximum number of IPC queues. 32000 by default +(``MSGMNI``). + msg_next_id, sem_next_id, and shm_next_id (System V IPC) ======================================================== @@ -958,6 +967,9 @@ kernel. This value defaults to ``SHMMAX``. shmmni ====== +This value determines the maximum number of shared memory segments. +4096 by default (``SHMMNI``). + shm_rmid_forced =============== |