CentOS 7.0 - man page for setup (centos section 2)
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SETUP(2) Linux Programmer's Manual SETUP(2)
setup - setup devices and file systems, mount root file system
setup() is called once from within linux/init/main.c. It calls initialization functions
for devices and file systems configured into the kernel and then mounts the root file sys-
No user process may call setup(). Any user process, even a process with superuser permis-
sion, will receive EPERM.
setup() always returns -1 for a user process.
EPERM Always, for a user process.
Since Linux 2.1.121, no such function exists anymore.
This function is Linux-specific, and should not be used in programs intended to be porta-
ble, or indeed in any programs at all.
The calling sequence varied: at some times setup () has had a single argument void *BIOS
and at other times a single argument int magic.
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 2008-12-03 SETUP(2)
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