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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 system.
No user process may call setup. Any user process, even a process with super-user permis-
sion, will receive EPERM.
setup always returns -1 for a user process.
EPERM Always, for a user process.
This function is Linux specific, and should not be used in programs intended to be porta-
ble, or indeed in any programs at all. Since Linux 2.1.121, no such function exists any-
more. The calling sequence varied: it has had a single parameter void * BIOS and at other
times a single parameter int magic.
Linux 1.2.9 1996-05-03 SETUP(2)
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