On Fri, Jul 26, 2013 at 11:47:04AM +0800, Lai Jiangshan wrote: > any worker can't kill itself. > managers always tries to leave 2 workers. > > so the workers of the offline cpu pool can't be totally destroyed.
But we *do* want to keep them around as CPUs taken offline are likely to come online at some point and destroying all of them saves only ~16k of memory while adding more work while CPUs are on/offlined which can be very frequent on mobile devices. The change was *intentional*. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
