On Fri, 18 May 2007 17:54:32 -0400 Phillip Susi <[EMAIL PROTECTED]> wrote:
> Andrew Morton wrote: > > Yes, if you agree with Jeff's original point. > > > > But I don't, actually. Sure, on some machines+workloads, AIO is more > > common than sync IO. But I expect that when we sum across all the > > machines+workloads in the world, sync IO is more common and is hence the > > case we should optimise for. > > > > That's assuming that the unlikely() actually does something. > > But as Jeff said, that's not what unlikely is for. It should only be > used when it is unlikely for everybody, all the time, because when it is > right, it helps rather little, but when it is wrong, it hurts a lot. It does? Tell us more. - 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/
