From: Adrian Bunk <[EMAIL PROTECTED]> Date: Thu, 13 Dec 2007 23:20:44 +0100
> My question is: > Is there anywhere in the kernel a case where __read_mostly brings a > measurable improvement or can it be removed? Yes, on SMP when read-mostly objects share cache lines with other objects which are frequently written to. That is the whole reason we created __read_mostly -- 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/