David Lang
On Tue, 21 May 2002, Linus Torvalds wrote:
> - if there is no process on th erun-queue, take our parent
>
> The "parent" fallback is nice because (a) we're guaranteed to have a
> parent and it is easily found and (b) we're going to wake our parent up
> soon enough in "notify_parent()", so if the current runqueue is empty, the
> parent is one of the likelier processes to end up there..
>
> But no, I've not looked into the details. We've never stolen a mm from
> anybody else before (lazy TLB _gives_ a mm to the next process, it doesn't
> take it from anybody), so it might have nasty locking issues or something.
>
> Linus
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