Re: [thisops uV3 07/18] highmem: Use this_cpu_xx_return()operations

From: Peter Zijlstra
Date: Tue Nov 30 2010 - 14:39:09 EST


On Tue, 2010-11-30 at 20:29 +0100, Eric Dumazet wrote:
>
> well maybe a single prototype ;)
>
> static inline void kmap_atomic_idx_pop(void)
> {
> #ifdef CONFIG_DEBUG_HIGHMEM
> int idx = __this_cpu_dec_return(__kmap_atomic_idx);
> BUG_ON(idx < 0);
> #else
> __this_cpu_dec(__kmap_atomic_idx);
> #endif
> }

Right, at least a consistent prototype, the above looks fine to me.
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