> >> 1: We're calling mmdrop() under spin_lock_irq(&rq->lock). But mmdrop
> >> calls vfree(), which calls smp_call_function().
>
> On Thu, Feb 20, 2003 at 11:04:41PM +0100, Ingo Molnar wrote:
> > this has been fixed in the -F3 scheduler patch.
>
> Not quite. It leaks mm's because schedule_tail() isn't cleaning
> up rq->prev_mm.
hm, this i think was a forward-porting oversight. Anyway, now the separate
patch is in, and it's better that way, the fix was unrelated to the main
things -F3 does.
Ingo
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