create_module(2) System Calls Manual create_module(2)
NAME
create_module - create a loadable module entry
SYNOPSIS
#include <linux/module.h>
[[deprecated]] caddr_t create_module(const char *name, size_t size);
DESCRIPTION
Note: This system call is present only 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.
RETURN VALUE
On success, returns the kernel address at which the module will reside.
On error, -1 is returned and errno is set to indicate the error.
ERRORS
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 in-
formation.
ENOMEM The kernel could not allocate a contiguous block of memory large
enough for the module.
ENOSYS create_module() is not supported in this version of the kernel
(e.g., Linux 2.6 or later).
EPERM The caller was not privileged (did not have the CAP_SYS_MODULE
capability).
VERSIONS
This system call is present only up until Linux 2.4; it was removed in
Linux 2.6.
STANDARDS
create_module() is Linux-specific.
NOTES
This obsolete system call is not supported by glibc. No declaration is
provided in glibc headers, but, through a quirk of history, glibc ver-
sions before glibc 2.23 did export an ABI for this system call. There-
fore, in order to employ this system call, it was sufficient to manu-
ally declare the interface in your code; alternatively, you could in-
voke the system call using syscall(2).
SEE ALSO
delete_module(2), init_module(2), query_module(2)
Linux man-pages 6.03 2022-12-04 create_module(2)
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