On Wed, 2012-12-26 at 11:10 -0800, Eric Dumazet wrote:
> +#define DELAY_HASH_SHIFT 4
> +DEFINE_PER_CPU(int [1 << DELAY_HASH_SHIFT], spinlock_delay) = {
> + MIN_SPINLOCK_DELAY, MIN_SPINLOCK_DELAY,
> + MIN_SPINLOCK_DELAY, MIN_SPINLOCK_DELAY,
> + MIN_SPINLOCK_DELAY, MIN_SPINLOCK_DELAY,
> + MIN_SPINLOCK_DELAY, MIN_SPINLOCK_DELAY,
> + MIN_SPINLOCK_DELAY, MIN_SPINLOCK_DELAY,
> + MIN_SPINLOCK_DELAY, MIN_SPINLOCK_DELAY,
> + MIN_SPINLOCK_DELAY, MIN_SPINLOCK_DELAY,
> + MIN_SPINLOCK_DELAY, MIN_SPINLOCK_DELAY,
> +};
This can use the following initialize by the way :
DEFINE_PER_CPU(int [1 << DELAY_HASH_SHIFT], spinlock_delay) = {
[0 ... (1 << DELAY_HASH_SHIFT) - 1] = MIN_SPINLOCK_DELAY,
};
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