Hello, On Fri, Sep 21, 2012 at 12:41:52PM +0300, Pekka Enberg wrote: > > I am already using static keys extensively in this patchset, and that is > > how I intend to handle this particular case. > > Cool. > > The key point here is that !CONFIG_MEMCG_KMEM should have exactly *zero* > performance impact and CONFIG_MEMCG_KMEM disabled at runtime should have > absolute minimal impact. Not necessarily disagreeing, but I don't think it's helpful to set the bar impossibly high. Even static_key doesn't have "exactly *zero*" impact. Let's stick to as minimal as possible when not in use and reasonable in use. And, yeah, this one can be easily solved by using static_key. Thanks. -- tejun -- 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
