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 <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
