redhat man page for create_module

CREATE_MODULE(2)					       Linux Module Support						  CREATE_MODULE(2)

NAME
       create_module - create a loadable module entry

SYNOPSIS
       #include <linux/module.h>

       caddr_t create_module(const char *name, size_t size);

DESCRIPTION
       create_module attempts to create a loadable module entry and reserve the kernel memory that will be needed to hold the module.  This system
       call is only open to the superuser.

RETURN VALUE
       On success, returns the kernel address at which the module will reside.	On error -1 is returned and errno is set appropriately.

ERRORS
       EPERM  The user is not the superuser.

       EEXIST A module by that name already exists.

       EINVAL The requested size is too small even for the module header information.

       ENOMEM The kernel could not allocate a contiguous block of memory large enough for the module.

       EFAULT name is outside the program's accessible address space.

SEE ALSO
       init_module(2), delete_module(2), query_module(2).

Linux								    26 Dec 1996 						  CREATE_MODULE(2)