On Fri, 2006-09-01 at 17:29 +0200, Martin Schwidefsky wrote: > On Fri, 2006-09-01 at 07:54 -0700, Dave Hansen wrote: > > Are all of the un/likely()s in here really needed? > > Well, no un/likely is really needed. But they do help the compiler to > generate better code. It IS unlikely that a page is discarded. I know what they're _for_. ;) I seem to recall people being poked in the past for sprinkling too many of these things around their code. I just wanted to make sure that there was some tangible reason for doing it, other than speculative performance optimization. -- Dave
