task_struct parent field removed from RHEL-5 and fedora 9 kernels

[Roland McGrath]

> Thanks for the answer, Roland. I was hoping that is was all
> consistent. However, it is real_parent on some kernels and parent on
> other kernel. :(

Correct, but only on kernels with no real_parent field (relatively easy to
check) and then can just #define real_parent parent for those kernels.  To
avoid an autoconf-style check one can probably figure out something, though
I don't have it off hand.


Thanks,
Roland