On Thu, Sep 17, 2009 at 7:05 PM, Andy <anand.bonde@gmail.com> wrote:
quoted text
> Hi,
>
> I have read in Robert Love's (Linux Kernel Development) ED2 book about
> the fork system call.
> The kernel splits the remaining timeslice of the parent process to half.
>
> Now, both, child and parent process have half of the remaining timeslice each.
> However I was unable to find code for this split anywhere in the fork
> call graph.
> (It was supposed to be in the function: copy_process() ).
>
> Also, the book mentions that the child_runs_first semantics does not
> work quite well with kernel 2.6.x.
>
> Any explanations/help on these points would be appreciated.
>
> Regards,
> Anand
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Timeslices are no more used in the new CFS scheduler. I don't really
remember how fork was handled if the forked processes is of real time
priority, which still uses timeslices.

Please correct me if I am wrong in any point.
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