ipc_init(9) centos man page | unix.com

IPC_INIT(9)						       Kernel IPC facilities						       IPC_INIT(9)

NAME
       ipc_init - initialise IPC subsystem

SYNOPSIS
       int ipc_init(void);

ARGUMENTS
       void
	   no arguments

DESCRIPTION
       The various system5 IPC resources (semaphores, messages and shared memory) are initialised A callback routine is registered into the memory
       hotplug notifier

CHAIN
       since msgmni scales to lowmem this callback routine will be called upon successful memory add / remove to recompute msmgni.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							       IPC_INIT(9)