From: Eric Dumazet <eric.dumazet@xxxxxxxxx> Date: Wed, 01 Feb 2012 08:07:19 +0100 > Then, I wonder why we do the "if (classid && classid != sk->sk_classid)" > > before the : > > sk->sk_classid = classid; > > This seems unnecessary checks. > Avoiding dirtying the sk->sk_classid cache line unnecessarily? I actually have no idea actually how often this routine can get invoked in real world scenerios. -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html