CentOS 7.0 - man page for create_module (centos section 2)
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CREATE_MODULE(2) Linux Programmer's Manual CREATE_MODULE(2)
create_module - create a loadable module entry
caddr_t create_module(const char *name, size_t size);
Note: This system call is present only in kernels before Linux 2.6.
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 requires privilege.
On success, returns the kernel address at which the module will reside. On error -1 is
returned and errno is set appropriately.
EEXIST A module by that name already exists.
EFAULT name is outside the program's accessible address space.
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
ENOSYS create_module() is not supported in this version of the kernel (e.g., the kernel is
version 2.6 or later).
EPERM The caller was not privileged (did not have the CAP_SYS_MODULE capability).
This system call is present on Linux only up until kernel 2.4; it was removed in Linux
create_module() is Linux-specific.
delete_module(2), init_module(2), query_module(2)
This page is part of release 3.53 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
Linux 2012-10-18 CREATE_MODULE(2)
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