Ingo Molnar <[email protected]> writes:
> no. Two _completely separate_ lists.
>
> i.e. a to-be-reaped task will still be on the main list _too_. The main
> list is for all the PID semantics rules. The reap-list is just for
> wait4() processing. The two would be completely separate.
And what pray tell except for heuristics is the list of children used for?
I could find a use in the scheduler (oldest_child and younger/older_sibling).
I could find a use in mm/oom_kill.
I could find a use in irixsig where it roles it's own version of wait4.
Perhaps I was blind but that was about it.
I didn't see the child list implementing any semantics we really care
about to user space.
Eric
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