From: Andrew Morton <[email protected]> Date: Mon, 2 Feb 2015 22:38:51 -0800
> It is only with both these ratios that we can work out whether the > patch is a net gain. My suspicion is that set_bit on an already-set > bit is so rare that the patch will be a loss. A common pattern is implementing a "referenced" bit, and in that case the bit is often already set, and in such a scenerio the proposed change is a huge win. -- 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/
