Re: [RFC 8/8] Optimize mempolicies for a single zone

[Andi Kleen]

> +#ifndef SINGLE_ZONE
> +#define policy_zone ZONE_NORMAL
> +#else
>  extern int policy_zone;
> +#endif
> 
>  static inline void check_highest_zone(int k)
>  {
> +#ifndef SINGLE_ZONE
>  	if (k > policy_zone)
>  		policy_zone = k;
> +#endif

This looks ugly. What's wrong the simple variable?

-Andi
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