On Tue, 27 Jan 2015 15:21:36 +0100 Peter Zijlstra <[email protected]> wrote:
> On Mon, Jan 19, 2015 at 04:49:40AM +0000, Xunlei Pang wrote: > > In find_lowest_rq(), if we can't find a wake_affine cpu from > > sched_domain, then we can actually determine a cache hot cpu > > instead of simply calling "cpumask_any(lowest_mask)" which > > always returns the first cpu in the mask. > > > > So, we can determine the cache hot cpu during the interation of > > sched_domain() in passing. > > Steve, I'm not getting this. Why are we using WAKE_AFFINE here? > It originated from Gregory Haskins topology patches. See 6e1254d2c41215da27025add8900ed187bca121d -- Steve -- 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/
