Re: 2.4: why is NR_GFPINDEX so large?

Andrea Arcangeli
2000-06-22T19:26:56Z

On Wed, 21 Jun 2000, Timur Tabi wrote:

>So I suppose the best way to optimize this is to make sure that
>"NR_GFPINDEX * sizeof(zonelist_t)" is a multiple of the cache line size?

Yes but only in SMP. On an UP compile you can save space. For this purpose
in ac22-class there's a ____cacheline_aligned_in_smp macro that you can
use for things like that (it relies on the compiler enterely).

Andrea