Re: perf: aux area related crash and warnings

[Alexander Shishkin]

Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes:

> On Tue, Jun 16, 2015 at 02:37:06PM +0300, Alexander Shishkin wrote:
>> Ok, here's what I propose for this one.
>
> As discussed yesterday, I think we want to change to how we do reference
> counting for the regular buffers, but that will require quite a bit of
> work.
>
> For the interim we can avoid the issue by something like the below;
> compile tested only.

Looks good and works fine on my tests. Only I'd maybe add a small
comment on why reusing rcu_head.next doesn't set off call_rcu()
debugging. Other than that, fwiw,

Reviewed-and-tested-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>

Thanks,
--
Alex
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