Thanks for reply. I also asked that set_user_nice where and when is called(file and line). I think it is not called after each forking operation, isn't it? Could you give calling order between functions from do_fork() like that func1()->func2()->...
Regards. On Mon, Nov 21, 2011 at 3:59 AM, Mulyadi Santosa <mulyadi.sant...@gmail.com>wrote: > On Mon, Nov 21, 2011 at 00:31, Enes Albay - انس الباى > <albaye...@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 > training: mulyaditraining.blogspot.com > -- Enes Albay
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