* Siddha, Suresh B <[EMAIL PROTECTED]> wrote:
> Align the per cpu runqueue to the cacheline boundary. This will
> minimize the number of cachelines touched during remote wakeup.
> -static DEFINE_PER_CPU(struct rq, runqueues);
> +static DEFINE_PER_CPU(struct rq, runqueues) ____cacheline_aligned_in_smp;
ouch!! Now how did _that_ slip through. The runqueues had been
cacheline-aligned for ages. Or at least, they were supposed to be.
could you see any improvement in profiles or workloads with this patch
applied? (just curious - it's an obviously right fix)
> Signed-off-by: Suresh Siddha <[EMAIL PROTECTED]>
Acked-by: Ingo Molnar <[EMAIL PROTECTED]>
Ingo
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