sys_reboot with LINUX_REBOOT_CMD_RESTART2

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Hello.

I'm using a PC running with RHEL3.
/sbin/poweroff can't power off with the RHEL3's kernel.
But /sbin/poweroff can power off with the vanilla kernels.
I have vmlinuz (based on vanilla kernels) and initrd.img
that performs only "power off".

So, I want to try sys_reboot(LINUX_REBOOT_CMD_RESTART2) .
http://lxr.linux.no/source/kernel/sys.c#L422
Can somebody show me an example value of arg parameter?
Is it possible to specify vmlinuz's and initrd.img's path?

If LINUX_REBOOT_CMD_RESTART2 can reload vmlinuz and initrd.img,
I can reboot with "power off" vmlinuz and initrd.img
to power off the PC running with the RHEL3's kernel.


Regards.
--
  Tetsuo Handa

--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/


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