how set_user_nice() function is called

[Mulyadi Santosa]

On Mon, Nov 21, 2011 at 00:31, Enes Albay - انس الباى
<albayenes at gmail.com> wrote:
> Hi!
>
> anybody knows that where is set_user_nice() function called in the kernel?
> i couldn't find that.  i just found that in forking operation
> do_fork()->copy_process()->
> dup_task_struct() called then set_user_nice()
> called but i couldn't find that where. Also how/where do_fork() function
> called in kernel i couldn't find.

In x86, do_fork() is called from sys_fork()... check :
http://lxr.linux.no/#linux+v3.1.1/arch/x86/kernel/process.c#L235

While sys_fork() itself, since it's a syscall handler, is called from
entry.S. Please refer to:
http://lxr.linux.no/#linux+v3.1.1/arch/x86/ia32/ia32entry.S#L475



-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
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