t;events, -val + (val >> period),
> PROP_BATCH);
> + } else
> + percpu_counter_set(>events, 0);
> +
> pl->period = global_period;
> spin_unlock_irqrestore(>lock, flags);
> }
> @@ -267,7 +261,7 @@ void __prop_inc_percpu(struct pr
On Fri, 2007-12-14 at 17:01 +0100, Peter Zijlstra wrote:
> Subject: lib: proportion: fix underflow in prop_norm_percpu()
>
> Zhe Jiang noticed that its possible to underflow pl->events in
> prop_norm_percpu() when the value returned by percpu_counter_read() is less
> than the error on that read
On Fri, 2007-12-14 at 17:01 +0100, Peter Zijlstra wrote:
Subject: lib: proportion: fix underflow in prop_norm_percpu()
Zhe Jiang noticed that its possible to underflow pl-events in
prop_norm_percpu() when the value returned by percpu_counter_read() is less
than the error on that read and the
);
+ __percpu_counter_add(pl-events, 1, PROP_BATCH);
percpu_counter_add(pg-events, 1);
prop_put_global(pd, pg);
}
Reviewed-by: Jiang Zhe [EMAIL PROTECTED]
Thanks!
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