On Tue, Oct 01, 2013 at 07:45:37AM -0700, Paul E. McKenney wrote: > If you don't have cpuhp_seq, you need some other way to avoid > counter overflow. Which might be provided by limited number of > tasks, or, on 64-bit systems, 64-bit counters.
How so? PID space is basically limited to 30 bits, so how could we overflow a 32bit reference counter? -- 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/
