batman-adv: use per_cpu_add helper
this_cpu_add is an atomic operation. and be more faster than per_cpu_ptr operation. Signed-off-by: Shan Wei <davidshan@tencent.com> Reviewed-by: Christoph Lameter <cl@linux.com> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
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@ -276,9 +276,7 @@ static inline bool batadv_has_timed_out(unsigned long timestamp,
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static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx,
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size_t count)
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{
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int cpu = get_cpu();
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per_cpu_ptr(bat_priv->bat_counters, cpu)[idx] += count;
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put_cpu();
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this_cpu_add(bat_priv->bat_counters[idx], count);
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}
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#define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1)
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