Re: [patch 3/4] net: Percpufy frequently used variables --proto.sockets_allocated

[Andrew Morton]

Eric Dumazet <dada1@xxxxxxxxxxxxx> wrote:
>
> [PATCH] Add atomic_long_xchg() and atomic_long_cmpxchg() wrappers
> 
> ...
>  
> +static inline long atomic_long_xchg(atomic_long_t *l, long val)
> +{
> +	atomic64_t *v = (atomic64_t *)l;
> +	return atomic64_xchg(v, val);

All we need now is some implementations of atomic64_xchg()  ;)
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