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On Mon, 2005-07-11 at 09:18 +0200, Eric Dumazet wrote: > Hi Davide > > I found in my tests that there is no need to have a f_ep_lock spinlock > attached to each struct file, using 8 bytes on 64bits platforms. The > lock is hold for a very short time period and can be global, with almost > no change in performance for applications using epoll, and a gain for > all others. > Have you tested the impact of this change on big SMP/NUMA machines? I hate to see an Altrix crashing to its knees :-) -- Peter Zijlstra <a.p.zijlstra@chello.nl> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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